Deffentally

The Canadian way of saying defiently.

Phillip: You are deffentally right Terrance.

by Amelia Combs October 3, 2009

deffo jeffo

an longer version of definitely, usually to a person to person with a name like jefferson or geoff.

person 1.we should defo go to the the rave
person 2.yeah deffo jeffo

by work colleague April 19, 2011

Deff

Short way to say definitely.

That's deff not cool.

by yayno February 25, 2017

deff

when a person heard negative decibels.

"he is a idiot, he must be deff"

by 1337-zorz May 7, 2008

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

deffie

Urbandictionary slang for "definition." When one integrates a tasty word into his/her vocabulary or wonders what one could be, one might look up the deffie on urbandictionary.com

Hey loser, whats the deffie of "douchebag?"

by M ! T c H May 13, 2005

deff reject

to have your deffinitions rejected by urban dictionary, then get pissed off.

omg why does urban dictionary have to deff reject me?

by brick tamblan June 11, 2006