>in high school
>sleepover with three other friends
>lots of lewd talk so we're all getting horny
>banter about dick size starts up
>finally one of them dares the rest of us to get hard and compare dicks
>and says whoever's the smallest has to blow whoever's the biggest
>fuck it, let's go
>we put on some porn, awkwardly jerk off for a while, and then measure up
>me and one other guy both tie for second place, dead average 6"
>the guy who made the bet wins (of course)
>he's hung like a horse and fucking proud of it
>the loser isn't really that small, maybe 5.5"
>the winner acts very smug
>leans back and starts goading the loser to "get to work"
>going into this, I absolutely did not expect anyone to deliver on the dare
>I certainly hadn't planned to to if I'd lost
>so imagine my surprise when the loser actually goes on his knees and starts reluctantly blowing the winner
>me and the other second-placer both look at each other like "wtf, is this really happening?"
>we awkwardly keep stroking ourselves, both pretending to focus on the porn instead of the gay blowjob going on right next to us
>winner makes a big, loud deal out of cumming and making the loser swallow it
>loser is blushing beet fucking red at this point
>but I also notice he's hard as a rock
>winner gestures the loser at me and is like "okay, his turn"
>wait, what?
>that wasn't even the dare
>but he slides over in front of me anyway
>and suddenly I'm getting my dick sucked
>I don't last very long
>and he swallows my cum too
>then he moves on and does the same for our last friend
>things are awkward for a bit afterwards
>but then we all smoke some more and just kinda relax and don't talk about what just happened

Wasn't a huge surprise when the cocksucking friend came out of the closet a couple years later. I've had my dick in him a few more times after that, and I'm pretty sure the others have too. But that was the only time we did anything as a group.