Used in place of a sign off. Derived from the term 'peace', and in refference to the hand siginal often asociated with 'peace and love'(from the hippie movement).

also, the act of showing the index and middle finger refering to peace and love.
Beth said: Goodbye
Jack said: Duce
~or~
as Beth was leaving jack fliped her a Duce
by Salcker Apathy March 28, 2005
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To take a fat shit. Drop a number 2. To Drop the Cosby Kids off at the swiming hole.
I have to go take a duce before it comes out in my pants.
by Sean June 16, 2004
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a weak ass gang in almaden valley who is bitched by ochos. ochos hit em and they cant handle it. the gang duce is exemplifed by the definition to drop a shit cuz they nothing but shit.
The Ochos duced on duce
by spidaman February 6, 2005
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to share any sort of smoking activity.
we duce cigarettes alot.

wanna duce a joint?
by blublubl July 23, 2008
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Is she fat?
Duce, duce and a quarter....
by Olater September 28, 2001
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A word used to ask for the rest of a half smoked cigarette.
when youre too cheap to have your own damn cigarettes... you find someone who's smoking one, you ask "can i get duce?"... and usually they give you the rest, or at least a few drags of their smoke.
by n March 7, 2004
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A ginormous poo, larger and more fierce than a regular bowel movement, one that leaves you slightly dazed and a little lighter.
dude: "Holy crap, I just dropped a doozy duce!"
by joelh March 18, 2008
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