Often used to descibe homosexuals. B-budds refers to butt buddies as in, an individual enjoys taking it up the poop shoot.

Also, used to describe friends who are so insecure they need to go everywhere with each other. (Frat Boys) Typically, you can see them entering into the men's bathroom and holding each others dicks.
-Toni and Lance are b-budds.

-Yeah Toni definitely likes taking it up the poop shoot.
by Piere September 29, 2005
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