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1. butt buddy
a negative term to describe a friend's friend who does him in the butt.
Hey, Frank wheres your butt buddy today?
by dude Apr 5, 2003 share this add a video
2. Butt Buddy
An "old school" Biker term for any male who packs on the back of another guy's bike for ANY reason than an ABSOLUTE EMERGENCY!
Those weekend warriors are so lame as thinkin' nothin' of ridin' Butt Buddy!
3. Butt Buddy
Joke used from the TV show Southpark to indicate marriage between a man and another man.

"Carl and Sheen are butt buddies"
4. Butt Buddy
people who love having sex up the butt or recieving it
hey look at matt, andre and micheal they are totally butt buddys!
5. Butt Buddy
Another word for Bromance or something that describes a homosocial bond between guys.
"Hey Hector, where's your butt buddy?"
6. butt buddy
The asshole best friend of an asshole.
Joe and his butt buddy Carl annoy the shit out of me.
7. butt buddy
they are always together "buttbuddies" lesbians
darion and megan "butt buddy"