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15.
It means 'most definately'
Q. "will you make it tonight? "
A. "mosdef "
by mitta lee-alle "hannah" August 11, 2010
 
16.
Short for most Definatly
I mos-def love fries from McDondals
by And the Pickles December 27, 2006
 
17.
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 04, 2006
 
18.
sexy genius....need i say more
'mmmmmmm mos def sexy mexy texy bruva'
by queen jobo May 02, 2005
 
19.
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
 
20.
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
 
21.
abrieveation of im a deaf old dear
"ima steal your wallet", "she can't hear you dude, she's mos def"
by bencé December 15, 2004