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

Deffo Jeffo

It means Definitely. Deffo is short hand for Definitely, just add a Jeffo for coolness!

Q 'You want to go to the movies?'
A 'Deffo Jeffo!'

by rachcook182 March 21, 2007