mos def

short for saying most definitely, or sure.

Yo you gonna be at the party tonight?" Jarel: "Mos def bro.

by 92Prodigy April 26, 2011

Mos-Def

Short for most Definatly

I mos-def love fries from McDondals

by And the Pickles January 1, 2007

mos def

sexy genius....need i say more

'mmmmmmm mos def sexy mexy texy bruva'

by queen jobo May 2, 2005

mos def

a bastardization of most definately
usually used in online lingo

A: hey
B: wuzup
A: n2mh u
A: ssdd
A: wanna see a movie
B: mos def

by cait/eileen January 30, 2003

mos def

(N.) When you reach the maximum of not being able to hear.

"Yo, I don't think that D-Bo heard me. He must be Mos Def now."

by G-Union October 21, 2003

mos def!

short for most definetly!!!!

tyler: Did it feel the best when i put it in your butt last night?

zane: mos def!

by jake1234 April 23, 2006

mos def

Mos Def comes from two words, mos is short slang for "most" and def is short for "deft" which means skilled. Thus "mos def" is defined as "most skilled."

Mos Def is also a rap alias for one Dante Smith.

by RTK666 December 28, 2004