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
by gettinjazzy October 05, 2010
Friend: hey man, what's up with you and amy?
You: aw man, she just a side piece, i have to focus on the books
You: aw man, she just a side piece, i have to focus on the books
by Aka437 December 19, 2017
by Sleeping~Booty January 06, 2016
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.
by jockin ohyeahhh November 14, 2010
Someone that you talk to, to your convenience while you are in a relationship. No strings attached, no stress, no expections, no bullshit.
by oxjei August 22, 2015
February 15th The day men take there side piece(the other girl he is dating on the side) out as if it were Valentines day.
Tommy bought 2 bouquets of Roses One for his girlfriend on Valentines day and one for his side piece on side piece day.
by Onblast! February 14, 2011