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3.
Your ilicit lover, paramour; someone you see on the side of your main relationship.
Since my man is out of town, I will go to the beach with my slide piece.

I think my girl saw a text message from my slide piece.
by GiantNyC March 12, 2009
 
1.
Nickname for a slider pitch in baseball.
Jake Peavy and John Smoltz both throw a mean slide piece.
by Lee Gee August 21, 2007
 
2.
female thats easy to fuck
ima ring my slidepiece tonight, get some, nahmean?
by codon November 08, 2006