def

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 September 17, 2004

Def Not

Slag for 'Deffinitly Not!'

"Wanna kiss my ass?" "Def Not!"

by Briggmyster June 18, 2006

def

Can be short for definitely or definition. It can also be used to emphasize a word such as something is really cool or really not cool, etc.

(orgin well the celtic swim '06-07 team can take credit i guess)

Gouge Vomit Burn is the def. of sick nasty. (definition) That's def going to happen. (definitely) Are we going to have a dance party later? Yeah def!

by Celtic Swim '06-07 December 14, 2008

def-not

Most definitely never, ever EVER going to happen.

Your good friend: "You and that girl are cute together!"
You: "Def-not."

by Logan Hahn February 14, 2009

def

1. short for definitely
2. short for definition
3. death, misspelled
4. record label Def Jam
5. deaf, misspelled

and most importantly:
6. HOT, COOL, GREAT!!

That song is def man!!

by SyntaxE July 17, 2006

for def

definately. offshoot of fosho, except less black. Can be considered the white man's fosho.

andrew: k party next fri at my house
patrick: for def i'm going

by Patrick Charles January 12, 2006

Defs

Short for "Definitely"

- "Sometime in the future, we're going to that Harry Potter amusument park."

- "defs!!"

by letsTPtheplace July 8, 2010