(Def-in) adv.

1. Without a doubt

2. Oh for sure

3. Damn Straight
Jane: What could we possibly do to top a weekend of hiking and boulder
jumping?
Tom: Hey look, Watchung! Mechanical bull???
Jane: Defin!
by janegb May 29, 2007
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larry:are your going to coachella??
larry’s bfff:defin!
by Bianka Stan Lee January 4, 2019
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The one thing you'll never be able to define
Dude 1: Yo, can you Define Define

Dude 2: How the hell am I supposed to do that?
by AerHx December 19, 2011
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The present participle of define, when someone is explaining the meaning of something.
Person 1: Where is Will?

Person 2: He's busy defining words on Urban Dictionary.
by wrjm2003 November 3, 2019
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What Urban Dictionary doesn't do.
Jim: Don't worry I looked up on Urban Dictionary
Joe: Urban Dictionary doesn't define anything
by iudfogusoiuh December 6, 2016
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Idiot-speak for "definitely". One of the most common moronic misspellings found on the internet.
The new Backstreet Boys CD is, like, definately the best thing ever.
by monsieurjohn June 25, 2003
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The way to spell "definite" is DEFINITE.
There's no "A" in it! Dammit!
And, while I'm on the subject, there is no "A" in "excellent"!
by Anonymous August 6, 2003
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