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101.
verb
To accurately and specifically predict the reaction of someone to a situation or stimulus, showing acute insight into and observation of (or just over-familiarity with) the subject.

Named after alias of the first recorded example of "deuce-ing." Not meant to belittle the subject, but rather, to praise the observatorial powers of the deuce-er.
Time: 1:15
Place: Outside, across street from bar
Jeff and Peter observe John walking in the general direction of bar

Jeff: "Hey, ask John if he's getting a Martini or a Mimosa."
Peter: (Checks watch) To Jeff: "He'll say it's too late for a Mimosa." Yells To John: "Are you getting a Martini or a Mimosa?"
John: (Checks watch) To Peter: "It's too late for a Mimosa."

Jeff & Peter: (Laugh)
Jeff: (To Peter) "Dude, you totally deuced him."
by jmiller September 07, 2006
 
1.
when someone holds up two fingers symbolizing "peace" when leaving an establishment, "deuces" is often said.
roscoe: ite, shan'quenetta see y'all tomorrow.
shan'quenetta: ite, deuces!*holds two fingers up*
by choozyoozy April 05, 2003
 
2.
When you flip that middle finger, and that index finger follows. Giving the "peace out" when you're done with a person...physically, mentally or spiritually.
My girl always be on some B.S. so I had to give her the deuces.
by Coop of Exquisite July 25, 2010
 
3.
(verb) to shit; (noun) shit; (past tense) shitted or shat
(verb) Man, I gotta deuce bad.
(noun) You should have seen that deuce I dropped. It was man-sized.
(past tense) I just deuced, and it be stinkin' up the joint.

by ricky roma September 24, 2003
 
4.
Deuce = Number 2
Do the math people.
I'm gonna drop a deuce in your mouth.
by Shamen September 02, 2003
 
5.
later, goodbye. derived from peace, or peace out, as in throwing two fingers up when leaving.

see also: chunk the deuce, chunk, and chunk deuce
I'm out, deuce.
by basebasebase January 17, 2004
 
6.
1.slang for the number 2
2.feces
3.an exclamation, popularized by cartoon character Stewie Griffin from popular TV series "Family Guy"
4.a 2 in poker lingo
"I'm goign to drop a deuce in your toilet, OK?"

"What the deuce?!"

"I got a pair of deuces."
by Squishmanchu February 25, 2006
 
7.
1. way of saying bye or peace

2. on a long 100 cigarette, the way of asking for the last few drags (less than asking for a short)
1. A; dude i gotta go
B; ight deuces

2. A; lemme get shorts on that square
B; its my last one
A; at least let me get deuces then
by bubbleeeeee September 03, 2008