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When one duces (takes shit) and the turd is overly long; qualifies as a "shit and a half" = "Duce n a half".
Bro 1: Dude, you took long enough on the shitter!

Bro 2: Brah it was a duce n a half, it was so long it poked my ass cheek.

Bro2: I love those!
by Brah Slayer November 12, 2011
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