20 Bookmarks by SemanticUnderstanding
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As much as Claire was the devil incarnate sometimes Dean was glad his daughter chose Claire as her best friend forever because it meant he got to interact with Cas. The man who he had an embarrassing crush on ever since Charlie’s first day at pre-school.
OR
The one where single Dad Dean hasn't gotten laid in four years and single Dad Cas suggests he try online dating to reawaken his sex drive. It sounded like a great idea, till Cas decided to ring him afterwards to hear how it went.
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Cas and Dean are broke college roommates who think a good solution to their money problem is to upload gay amateur porn videos to get some extra cash in to help pay for bills.
Apparently "gay friend fucks straight friend" reels in a lot of money. Who knew?
- Language:
- English
- Words:
- 36,160
- Chapters:
- 11/11
- Collections:
- 1
- Comments:
- 388
- Kudos:
- 4,010
- Bookmarks:
- 868
- Hits:
- 67,882
Bookmarked by SemanticUnderstanding
11 Jun 2026
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Dean is a novice in the dom/sub world asked by his employer as a desperate last resort to be a sub for his recluse of a brother, Castiel. Castiel is a diagnosed OCD suffering from PTSD and agoraphobia, mysophobia, and dystychiphobia. Needless to say—he’s a mess who hasn’t stepped out of his home in literally seven years. The only times Gabriel can see traces of the way his brother used to be is when he feels in control—specifically when he has control over a sub. However, due to his idiosyncrasies and paranoia, keeping a sub around has been impossible. Enter Dean, who’s not a very traditional submissive, to try his hand at subbing for the hermit.
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Dean Winchester’s been camp manager of a science research station on the Alaskan tundra for thirteen years. Dean likes his job; fixing the camp trucks, troubleshooting the generators, keeping clueless undergrads and NSF bigwigs from walking into grizzly bears or getting lost in snowstorms — it’s all in a day’s work. It keeps him pretty busy, and this year his brother Sam's visiting too, so he's even busier. So it’s really not any of Dean’s business when some weirdo antisocial ornithologist sets up a tent a few miles away, a dark-haired blue-eyed guy who’s doing a “very long-term" study on birds or wings or something, and who never, ever takes off his big lumpy backpack. But then the new guy starts dropping by camp for coffee and... well, he’s not officially part of camp; he's not Dean’s responsibility; he’s really not Dean’s problem at all, but when a strange blizzard comes sweeping in, Dean gets worried and goes to check. Thing is, Dean's spent years in the sweeping vistas of the Arctic. He knows all about the midnight sun and the northern lights, the ice caves and avalanches, the rough-and-ready Haul Road truckers and the even rougher-and-readier wild animals. But even so, what he finds is much more than he bargained for.
- Language:
- English
- Words:
- 232,028
- Chapters:
- 35/35
- Collections:
- 6
- Comments:
- 2,377
- Kudos:
- 5,366
- Bookmarks:
- 2,328
- Hits:
- 160,080
Bookmarked by SemanticUnderstanding
23 May 2026
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Summary
Dean's been on his own for as long as he can remember, fending for himself and struggling through heats alone. The last thing he wants after his tumultuous past is an Alpha, but the heats are getting worse and the winter is particularly brutal. There are rumors of an Omega camp run by a mysterious and uncharacteristically kind Alpha, and Dean finds himself drawn to the scent of Castiel, who welcomes him into the camp with open arms.
Dean remains wary of the Alpha despite his seemingly calm nature, but he becomes increasingly interested in the enigmatic Castiel. Together they help each other overcome events of the past and attempt to live and love again in an unforgiving and broken world.
Series
- Part 1 of A Broken World
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On a hunt gone wrong, Dean finds himself cursed to be an incubus. While Sam and Charlie rush to find a cure before the change is permanent, Castiel decides to become Dean's "offering" when the hunter begins to deteriorate under the effects of the change.
Fic has been updated! Gone are the weird time jumps and continuity errors that plagued my first SPN longfic! I overhauled several chapters so that everything flows nice and evenly now. I hope you enjoy it!
Chapter 04 now features art by my insanely talented friend, Winchester-Reload! Check it out on Tumblr right here! There are NOT ONE, BUT TWO VERSIONS over there!
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On his 40th birthday, Dean Winchester suddenly begins to worry that he may have lost his chance for a real mate. He's been so focused on his business as a 24-hour roofing and repairman, that he's never taken the time to date properly, or even make any lasting friendships outside of his family. Beginning in their late 30's, alphas and omegas start to lose their mating and bonding hormones, making it more difficult - and often impossible - to mate or bond with anyone past a certain age. But as a modern Alpha, Dean would be content with a companion, at least. Blood bonds aren't the be-all, end-all. However, after a late night emergency roofing repair call from Castiel Novak, Omega, Dean starts to hope. Yearn. The only hangup is that Castiel admits to being as old-fashioned as the books he teaches. Nervous to go against his religious upbringing by being with someone who he can't bond properly, as alphas and omegas are intended to do. But he can't deny his attraction to Dean, and despite his sensibilities, he thinks that, just maybe, he can change for the man he's falling in love with.
- Language:
- English
- Words:
- 111,944
- Chapters:
- 22/22
- Collections:
- 3
- Comments:
- 1,829
- Kudos:
- 2,200
- Bookmarks:
- 670
- Hits:
- 53,685
Bookmarked by SemanticUnderstanding
16 May 2026
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"What do you think about when you masturbate?"
"I sure don't think about callin' it masturbate," Dean retorted with a small laugh.
"I'm sorry. What do you think about when you jerk off?"
"Jesus, Cas, you talkin' dirty like that ain't gonna help me not come in these panties."
"Well, I intend for you to," Cas pointed out. "But not just yet. Now answer the question, please."
"Jesus," Dean said again, blush deepening. "I -- um. Jeez, I dunno. I mean, there's all kinds of crap in my spank bank. Some days, yeah, s'gettin' thrown against the wall by some hot dude in an alley. Other days, I dunno, it's triplets."
"What are you thinking about right now?"
Dean turned an incredulous look on him. "Uh, there's a hot photographer takin' pictures of my dick in pink panties right now, you think I need any more material?"
Series
- Part 1 of Aesthetics in Autoerotica
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There's no ifs, ands, or buts about it...Cas is a weird, tactless, ornery guy. His idea of a job is selling weed out of their shared cabin, his idea of fun is occasional orgies, and he has more creepy dolls and crystals than anyone of their age ever should.
But he's also Dean's childhood best friend, and now he's the star of all Dean's wildest fantasies.
Then there's the whole "being in love with him" thing.
- Language:
- English
- Words:
- 89,915
- Chapters:
- 12/12
- Collections:
- 1
- Comments:
- 361
- Kudos:
- 1,220
- Bookmarks:
- 387
- Hits:
- 19,247
Bookmarked by SemanticUnderstanding
15 May 2026
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between sex and death and trying to keep the kitchen clean by ftmsteverogers
Fandoms: Supernatural (TV 2005)
07 Dec 2022
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Summary
"I don't get you," Dean spits. "I don't get what you want. Just — just tell me. I'm a big boy, I can take it."
"I did tell you!" Castiel exclaims. "I told you, and then I died!"
(In which Castiel is rescued from the Empty, Jack gives up the powers of God to be a kid again, and Dean overcompensates.)
- Language:
- English
- Words:
- 13,411
- Chapters:
- 1/1
- Collections:
- 6
- Comments:
- 439
- Kudos:
- 5,112
- Bookmarks:
- 1,496
- Hits:
- 48,984
Bookmarked by SemanticUnderstanding
09 May 2026
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A year ago, the world didn't end. Now it's summer and the cicadas are buzzing, and something is changing. Something is going to give.
- Language:
- English
- Words:
- 27,923
- Chapters:
- 5/5
- Collections:
- 5
- Comments:
- 310
- Kudos:
- 3,612
- Bookmarks:
- 1,198
- Hits:
- 51,465
Bookmarked by SemanticUnderstanding
09 May 2026
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The one where uninspired chef Dean Winchester has a one night stand with the male (!) food critic who described the flavour of his garlic bread as 'closeted' and accidentally ends up dating him to try and prove that he's a kick ass chef, thank you very much.
(He may have a point about the 'closeted' thing).
Series
- Part 1 of Eat, review, love
- Language:
- English
- Words:
- 109,415
- Chapters:
- 21/21
- Collections:
- 4
- Comments:
- 2,167
- Kudos:
- 4,141
- Bookmarks:
- 1,219
- Hits:
- 79,084
Bookmarked by SemanticUnderstanding
01 May 2026
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Summary
For some of us, it’s easy, close your eyes, take a breath, and jump. For others, it takes an entire bottle of whiskey, a slow, unreliable internet connection, and years of self-induced isolation on a picturesque mountainside to do what they have to do. What they need to do. Many years after losing his own pack, his family, an act he blames himself for, Alpha-Were Castiel is skilled at not giving himself even the smallest of pleasures, including that of a pack. An alpha needs a pack. It’s written into their DNA. It’s so much more than just having a mate. It’s the pack bonds that make an alpha whole, and the longer Castiel denies himself one, the more he loses of his humanity.
When a drunken, desperate act brings a beautiful, vibrant omega to his doorstep with a disastrous winter storm nipping at his heels, Castiel knows he does not deserve the gift. Sending Dean back down the mountain would be certain death for the young were, but allowing him to stay will undoubtedly change Castiel’s life forever. Maybe it’s time for Castiel to leave his darkness in the past, where it belongs. With Dean standing next to him on the precipice, there’s nothing left for Castiel to do but close his eyes, take a breath, and leap.
- Language:
- English
- Words:
- 70,636
- Chapters:
- 22/22
- Collections:
- 4
- Comments:
- 745
- Kudos:
- 3,846
- Bookmarks:
- 1,135
- Hits:
- 72,530
Bookmarked by SemanticUnderstanding
30 Apr 2026
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Charlie sets her beer down hard on the counter, making him flinch. “Are you trying to invent a problem?” she asks incredulously.
“What? No, dude, I’m telling you—”
“Your boyfriend turned down sex twice, once because you were concussed and your arm was broken, and once because he was about to drive out of state to help your brother,” Charlie summarises, brutal and unrelenting. “And you think that, what? You can never ask him for sex again because of that?”
Dean’s been playing catch-up his entire life, and he’s still figuring out the whole “asking for what I want” thing.
- Language:
- English
- Words:
- 57,299
- Chapters:
- 7/7
- Collections:
- 2
- Comments:
- 270
- Kudos:
- 3,206
- Bookmarks:
- 945
- Hits:
- 49,974
Bookmarked by SemanticUnderstanding
29 Apr 2026
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“How the fuck do you know my name?” Dean hisses.
The man doesn’t look scared. He is watching Dean like there is nothing else worth watching, lips a little parted, eyes a little soft. And blue. Real blue, like the ocean on a postcard.
The ice spreading down Dean’s spine makes him shiver.
“I suppose you could say I’m your guardian angel,” the man murmurs. His breath fogs pale between them. All of him is unnaturally warm, like Dean’s touching somebody with the sun sewn up beneath their skin. “I have known you, Dean Winchester, for a very long time.”
*
Dean meets an angel who says he's from the future. It all gets a lot more complicated from there.
Series
- Language:
- English
- Words:
- 44,872
- Chapters:
- 7/7
- Collections:
- 7
- Comments:
- 1,578
- Kudos:
- 14,438
- Bookmarks:
- 4,721
- Hits:
- 218,948
Bookmarked by SemanticUnderstanding
28 Apr 2026
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"I had to draw all them perfectly," Cas insists, and Dean suddenly can't get rid of the image of Cas, clutching on to a Crayola washable marker, jamming it into his skin forcefully like a little kid mashes his markers on the paper in a vehement attempt to make the color deeper.
"And now you're insulted 'cause I don't appreciate 'em?" Dean asks, bewildered.
"No," Cas lies petulantly.
"Huh." The stubborn child version of Cas Dean has painted in his mind is now clutching his paper possessively, shielding it from scrutiny.
They drive in silence for a while.
"Thank you for making my freckles," Dean grouses finally, knowing that it's the only way Cas will forgive him.
((((OR, IN WHICH CAS LIKES DEAN AND HIS FRECKLES, AND DEAN IS STUBBORNLY HETEROSEXUAL))))
- Language:
- English
- Words:
- 7,044
- Chapters:
- 1/1
- Collections:
- 1
- Comments:
- 140
- Kudos:
- 5,350
- Bookmarks:
- 861
- Hits:
- 84,696
Bookmarked by SemanticUnderstanding
23 Apr 2026
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Original prompt: something Russian Bratva related? Like Cas is the prince or whatever of this organization and Dean is forced to marry him because of an arrangement between their families. Only Dean is eighteen and very independent, he doesn't want to be anyone's pet to stay at home. Cas is older. So they end up married but even if Dean is all "no, I don't want this, I don't need anyone, leave me alone, I hate you" he can't resist Cas because he's hot and brilliant. And Cas can't resist Dean because he's just like that and drives him crazy because he's a feisty brat
Or,
The one where Dean can’t believe his fucking life and Cas, in turn, can’t believe his luck.
- Language:
- English
- Words:
- 43,069
- Chapters:
- 8/8
- Collections:
- 4
- Comments:
- 529
- Kudos:
- 6,228
- Bookmarks:
- 1,540
- Hits:
- 115,460
Bookmarked by SemanticUnderstanding
22 Apr 2026
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Dean Winchester, hardworking medic, has two ways of coping with the demands of the job. One, he chats online with his anonymous best friend and fellow medic, FlyBoy83. Two, he’s a member of Black & Blue, a BDSM club where he subs twice a month. One night, he’s finally paired with a blue-eyed dom he’s been eyeing for months, a man he’s waited to call Master.
Or, the story of how Dean and Castiel are online best friends who fuck each other senselessly in real life…and never even know it.
- Language:
- English
- Words:
- 90,777
- Chapters:
- 13/13
- Collections:
- 6
- Comments:
- 1,767
- Kudos:
- 4,584
- Bookmarks:
- 1,460
- Hits:
- 104,168
Bookmarked by SemanticUnderstanding
21 Apr 2026
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Castiel doesn’t know where the runaway in Dean has gone, but he’s not sure that man exists anymore. The omega in his backseat has been badly broken. He hasn’t said a word to Castiel; hasn’t protested aside from flinching, hasn’t even pleaded to be spared. He’s just… empty. Tired. Castiel can smell layers of fear, sour and old on the omega’s skin, an emotion so often felt that it’s now a permanent stain on his scent. He can only begin to imagine what Dean has been through to put him in this state of apathy.
At sixteen years old, Dean Winchester signed away his life in order to protect what he loves most. He's spent the last eleven years as the property of various alphas, each crueler than the last. Purchased by a new master that promises him nothing but safety, his life is about to dramatically change - and with any luck, it will be for the better.Series
- Part 1 of Maybe Sprout Wings Universe
- Language:
- English
- Words:
- 560,945
- Chapters:
- 79/79
- Collections:
- 9
- Comments:
- 11,753
- Kudos:
- 9,740
- Bookmarks:
- 2,059
- Hits:
- 703,643
Bookmarked by SemanticUnderstanding
10 Apr 2026
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‘Alpha Needed: Looking for an alpha with a calming scent, preferably mated, for scenting purposes. Twice a week, one hour. Pay: $20 per hour plus expenses.’
In order to get his anxiety attacks under control, Cas is supposed to regularly scent an alpha whose scent makes him feel safe.
Dean could really use the extra cash and the ad sounds like the easiest 20 bucks an hour Dean has ever made.
But then things get complicated…
- Language:
- English
- Words:
- 34,634
- Chapters:
- 24/24
- Collections:
- 16
- Comments:
- 4,196
- Kudos:
- 15,602
- Bookmarks:
- 2,234
- Hits:
- 172,620
Bookmarked by SemanticUnderstanding
10 Apr 2026