Someone you've had sexual relations with's new lesbian partner. Like a tunnel buddy, but without anything to drive through the tunnel. ...but you've both been with that bean.
Guess this means you're my bean buddy now, Cheryl.... you know I came all over that, right?!
by Ghostsix6 January 28, 2017
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Having a mexican best friend, being a mexican yourself.

Derived from the word Beaner.

You use this word when you want your friend to do something they don't want to do.
Friend 1: Wanna go to the store with me real quick?
Friend 2: Nah I'm gonna stay, go alone.
Friend 1: Dude. Bean Buddies, come on! Bean Buddies dude!
Friend 2: *after thinking a bit* Ok! lets go.
by PwnerJoe March 14, 2010
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