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Permutation of "deft". Adroit.
Yo, sir. Those moves are def.
by Bud April 03, 2004
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15
def- short for defence in gamers community.
They will atack now !!! so all back and lets def ffs !
by exployt July 14, 2005
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16
Don’t try to fool your girlfriend because it can turn into a DEF. Dumb Epic Fail
DEF
by Solarsilicon October 21, 2017
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17
Ah you're def close to me then. If you're tech savvy, I might just need your help to give me a hand in hooking up my comp at my soon-to-be home.
by wiCkEd eEv January 27, 2003
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18
abreviation for the word definately, usually used by kids who are either way cool, or way lame.

the only way to pull of using the term "def" is to be the first one around to use it. if you're just copying someone, people might think you're lame.
Kara asked if the new guy was cute.
Emily repiled, "Oh most def! He's soo hot!"
by Kara April 25, 2005
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19
UrbanDictionary.com's abbreviation for 'definition'. See the 'new def' link at the top of the page.
I added a new def today.

Okay, okay, I DO sound stupid.
by Diggity Monkeez February 03, 2005
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20
Certain. First used by Run-DMC. Sort for definate.
by Ahmose July 31, 2003
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