mo def 

Most definetly

"katie are you going to the mall?" "mo def!"

mo def by Alia June 9, 2003

mo defs 

short for "most definitely" (contrary to popular belief it is NOT mo def, and whoever said that is fucking retarded), used because saying most definitely sounds gay and mo defs sounds cool

Kid 1: dude that girl is so hot
Kid 2: most definitely
Kid 1: wtf
Kid 2: Uhh I mean mo defs
Kid 1: true dat
Kid 3: mo def
Kids 1 and 2: ...
Kid 1: shut up dumbass

mo defs by disneysucks December 3, 2006

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!

Mo Deff by Garrett Silva May 5, 2005

modefo 

an insult, used in similar context as mofo... just more harsh and more definate hence the DEFO.
Used when something stupid is done.

Peron puts tries to put milk into a cutlery drawer instead of the fridge...

"your such a modefo"

modefo by zoggie zogs and meggie mogs June 20, 2008

Modef 

A shortened version of most definitely. This phrase is best used in drunken converstations and text messaging.

Girl 1: OMG, that girl is totally wasted.
Girl 2: Modef.

Modef by JessiB August 16, 2008

Modefocke 

How Dominican immigrants say motherfucker

Yo you modefocke wat u doing?

Modefocke by Ur mothers lips February 23, 2020