1. def 160 up, 28 down
def /def/ adj. to describe a person, thing, or event that is cool. iarchaic, circa 1981/i
"yo, mah pizzles, I got da hook-up at this def new club. It's suppose ta be off da hizzy"
by Jay Jan 19, 2003 email it
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2. def 93 up, 47 down
Def ain't short for Deffinitly.
Def means cool, ill, dope. You know.
Yo man Bone Thugs N Harmony are one of the most def groups of all time.
by some polak Sep 17, 2004 email it
3. def 39 up, 18 down
It means like terrific or great or excellent
"I bet you were def." ~Fresh Prince Of Bel Air when he's talking to Ashley about her singing. 1st episode
tags great terrific good excellent superb
by Lady_Rae_Marie San Diego Jan 11, 2006 email it