It's called: I'll rec you some threesome/group sex stories, and then you rec me some. Any fandom, any wacky pairings. RPS welcome. Just make it multiple. Sounds fun, no?
Okay, I'll go first...
Gifts Unasked For by
docmichelle, SGA, Sheppard/McKay/Teyla
No, Really and
Yes, Maybe by
basingstoke, SGA, The Whole Team
A Frolic by
thegrrrl2002, SGA, Sheppard/McKay/Ronon
(I'd just like to note that I'm not even in SGA fandom, but I do prize it as a happy source of threesome+ stories.)
Turn You on Somehow by
seperis, SV, Clark/Lex/OFC
Rush Complete by
rhiannonhero, SV, Clark/Chloe/Pete
Heresy by
sharksgrin, SV, Lex/Clark clones
White Noise in Black Room Dust by
stone_princess, SPN/Buffyverse, Sam/Dean/Faith (Somebody owes me a sequel, btw!)
Here Comes the Flood by
toomuchplor, WB RPS, TW/MR and JA/JP
Also,
maygra wrote me this really great comment porn in the thread of
this post (if I could figure out how to link directly to it, I would, but I'm dumb) that teeters so hotly there on the edge of threesome-dom. Yes, yes, it does. :)
I know there is much threesome-y hotness I'm forgetting, but that's what comes readily to mind. So...now it's your turn. *waits eagerly*