def- short for definatly
is it pos for someone to be def ser about something that is def not pos to be ser about
by kingss49 January 31, 2003
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A shortened word for defintions - used by instant messaging high school students and sometimes in every day conversation
Kenny: hey man, what other defs can we add? The world should be informed of the bad things people say
Alex : We'll help people define what goes on this this world...
by Kenny Benka March 13, 2008
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Short form of "definitely", as it flows a lot better and can be said much quicker.
Ray: Would you tap that?
Geoff: Def not!
by stokes November 18, 2005
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The hip/gangsta way of saying Death.
According to the Ali G Show,
Ali: "Yo, lets talk about this thing called def man. You know, D-e-f"
Doctor: *my God this man is a complete moron*
by Well Thats my Mama May 11, 2005
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Extremely good or talented, from the word "death".
That's a def tag up you got there.
by TFS July 25, 2005
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plurism of the word def
I spent all day entering stupid defs into the urbandictionary.
by Phrenesicko Decapitate May 23, 2005
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DEF means that something is really good or to someones standards.

DEF also means not being able to hear anything

DEF does NOT mean definitly
That concert last night was so DEF

Yo Im DEF from that concert last night
by yosoypopichulodelanoche June 12, 2009
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