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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 13, 2010