Defo 

most definitely, for sure

boi#1: oh hey did u study for the art test we're gonna have today?
boi#2: defo not! lemme go to the bathroom and perform a satanic ritual for bob ross brb

Defo by maya rangerover March 7, 2020

Defo 

Oh definitly, for sure

"Do you like Louisa?"
"DEFO!"

Defo by sarah kolbah November 15, 2003

Defo 

a shortening of definitely for use when responding in agreement enthusiastically and for sake of not using the enitire word. Works wonderfully avec FAB.

Scoop: LOOP day 2moro??
Lou: o DEFO that will be FAB!

Defo by Louise Burton (aka LO of loop) April 7, 2005

defo 

1. Without any doubt, to be totally sure about something, or completely confident about it.

2. Complete clarity, with no mistake.

Court: Defo
Alex: Eh?
Court: My version of definitely

Alex: So did you wanna go and watch the show court?
Court: DEFO!

defo by Alex Pipe & Courtney July 8, 2004

defo 

defo = deformed
'Defo' can be used in a variety of ways. It can be used jokingly, in moments of indignation, and even in a casual setting.

1. Ew did you see that deer? It's so defo...
2. Come on Jill, let's hang out! Don't be defo
3. I throw my hands up in the air sometimes saying A-Yo I'm a defo!

defo by WhatYou'veEarnedHereTonight March 21, 2011

Defo 

1."defo" is a slang term used for Deforest which is a small village just north of Madison,Wisconsin. Mainly used by people from Deforest or someone else in the area in reference to Deforest.
2.an area where alcoholics and drug addicts are from

Ah, no shit man, you're from defo? What year did you graduate?

That guy is super faded, he must be from defo!

Damn Bryan you're fucked up like defo stats son!

Defo by stuba587 April 15, 2010

DeFo 

A bunch of white kids trying to be ghetto while eating donuts and doing calculus homework outside of Casey's in the either extremely frigid or unbearably muggy air, about 15 miles from Madison, WI.

Teenage DeFo resident:"DeFo fo sho!"

Non-DeFo resident: "Uh, no."

DeFo by Juliferie January 22, 2007