mostdef 

Most definitely; for sure.

1. "He's a creeper, mostdef."

2. "Are you coming to the party?" "Mostdef!"

mostdef by edennnn June 29, 2010

mosdef 

shortened form for 'most definitely'

A: you gonna come out tonight?
B: oh mosdef!

mosdef by AznC June 18, 2003

Mostefa

The most flirtatious boy you will ever meet. You will never forget this boy. He is hilarious and tenderhearted and an amazing friend. Everyone loves Mostefa. Popular, sweet creature. HE IS PERSIAN!!

This boy is Persian he is defiantly a Mostefa!

Mostefa by theNatalie September 24, 2011

most def 

most definitely

"Should we go to 7-11?"
"Most Def"

most def by ryan August 19, 2002

Mosdefosho 

Most definitely for sure, used to express excitement about something.

Kayla "dude we should totally go climb the cliffs out at high cliff!"
Andrea "mosdefosho!"

Mosdefosho by mr.histheshit June 15, 2011

most def 

1) short for 'most definately'
2) Hell yea; fo'sho'
3) the pun is on the rapper Mos Def, however his name is completely irrelevant to this insert

*an asian girl walks by with a big ass*
1)Would you hit that?
2)Most Def!!!

most def by bringas July 14, 2005

most def 

(coming from "most definently")...meaning you strongly agree with someone else offer

Yo id rip that girl wide open...

Oh most def...most def

most def by bt June 30, 2005