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1.
my piece is a saying used as my gun or my gat.
random person- yo, how you like my piece
random person 2- dats tight
by Detroit_Boi January 19, 2008
 
2.
a way of saying oops my bad.
Sorry girl for spilling yo drink dat was my piece! And the girl responds datS ok but if you didn't apologize dat would've been real leech.
by EveC'da' Kid September 10, 2009