A slang word for the male genital ; Penis.
Bill: Yo boss
Julio: Wagwarn g
Bill: Did you take that tidy little bird home with you last night?
Julio: Yeah geez and i let her play with my corepiece
by Sudwig June 10, 2018
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The central piece, main thing, the essence of something.
a) The core piece of a political movement is it's volunteers.

b) This is the core-piece of my financial theory.
c) The corepiece of some man is not their brain.
by mariast February 13, 2020
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