deff

when a person heard negative decibels.

"he is a idiot, he must be deff"

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most deff

most definitely (simple)

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

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most deff

most deff= most deffenitly

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

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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!

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Deff Totes

An abbreviation for "definitely totally" in other words, a term of agreement

Isa: want to go to the party with me?
Lilly: Deff Totes!

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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!"

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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?!!!!

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