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1 definition by Boooooom

 
1.
Friend with benefits.
Usually referred to a girl from a guy, so when i guy calls a girl his joint, he means he's currently "involved" with that girl. Or messing with her, and yea you get the point ;-) But thats all she is, no where near a wifey.
Me and my joint have plans, wink wink .
by Boooooom December 12, 2009
6 0