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1.
Obviously means Bullshit Buddy, or a friend who is not a good friend but a moocher who forget you exist until they see something that they want from you.
Todd: Hold on man my phone's ringing
Jason: Who is it?
Todd: oh it just one of my BS buddies
Jason: Who?
Todd: Christan, i wonder what he wants now haven't talked to him in weeks, he's not gettin my stuff, damn moocher.
by Bry Bry04 June 04, 2010