DEFFO

(short for) definitely (esp. in web chat and texting)

I'll see you there, deffo

by dilbert scrunchie June 20, 2003

DEFFO

Short for definately.
Said in normal conversations.

"I'm defo keen to get fucked up."

by Diego August 30, 2003

deffo

Kinda lame but useful and funny way of saying for sure or definately.
Also; fo deffs, def, deffy def, deffo McDefferson.

U comin tonite?
Deffo

by Jake May 8, 2005

deffo

Gothenburg wigger slang. Short for definitely. Also used instead of "for real", when wanting to point out that something is very true or given.

- I deffo need some weed right now.

or

- This crib rocks!
- Deffo!

by Japfreak January 3, 2004

Deffo

The combination of definitely and go.

Should we move forward on this deck? Deffo.

by par ez January 11, 2013

Deffo Shaggin'

A term meaning you and someone else are thinking 2 people are having sexual intercourse without your knowledge, but you can tell.

*Teacher sat at desk and is marking work*
*Another teacher enters and starts talking to the other teacher*
*Pupils turn round to friend*
"Them teachers are DEFFO SHAGGIN' look at them"

by skankers2k9 July 28, 2009

blates deffo

a term local to Stratford-Upon-Avon College (England), Blates Deffo is simply the coupleing of the two terms Blates and Deffo to stress your positive reaction to a suggestion

josh: you wanna go blag some pork pies?

james: Blates Deffo, m8!

by lowlife4ever March 10, 2008