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1. side piece
The other woman. Also see Goomad.
My side piece is tight!
by Louie Mar 15, 2005 add a video
2. Side Piece
a girl on the side, a girl you call up at 2am and she knows whats up, no attachments just fuckin', just make sure the girl know she a side piece
Sam: yo dude where you off to so fast?

Dave: I'm off to go poke my side piece nigga!
3. side piece
a guy that does anything you want that isn't your boyfriend and you can still get with other guys. the best thing a girl can ever have.
c: are you with your side piece?
j: nah im with another guy
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