most deff

most definitely (simple)

John: Hey jerry, was that test in math hard today?
Jerry: Oh, most deff!

by Michael Findley August 26, 2007

most deff

most deff= most deffenitly

dewd that most deff kix ass
this most deff is the best weed in all the land!!

by Jermo January 24, 2004

Mo Deff

Most Definetley: a saying that means most definetley. use when you are drunk,stoned or on the verge of pukeing.

Guy1:hey dude you wanna go party?
Guy2:Mo Deff man! Mo Deff!

by Garrett Silva May 5, 2005

Fo Deff

Fo Deff
adverb
Full Meaning: For Deffinetly.
A verbal contract meaning that you must do this action.
Also, less strictly used as to agree with what is being said.

Girl One: "Can You Come Over This Weekend?"

Girl Two: "Fo Deff!"

by Sarah.M.Kennedy January 27, 2009

Beer Deff

When men have taken a good slathering of beer and start shouting at eachother while turning up the TV even louder. Common amongst football fans.

Heeeeyyyyyy! Who stole the damn chips?!!!
What yardline are then on now?!!! Heeeeeyyyyy!!! Kenn!!! Grab me another beer willl ya?!!!!

by exponentialhalitosis December 13, 2004

Fo'Deff

definitely or yes

this word was invented by sierra. ©

Me: Want to do something Wedsday?
Her: Fo'Deff

by zmay989 March 30, 2009

totes deff

another way of saying most deff, fo sho, or of course. it originated from clint but was then spread to south florida by nikki

Meghan:"Paul's ass is huge"
Nikki: "Totes Deff!"

by NikkiHuts May 21, 2008