like saying piss off but in a more joking and friendly term. Usually used when someone is making a rude (but joking) remark about you.
'ooo you look grumpy'

'naff off'
by ewgvwg March 25, 2006
a fool who enjoys your company sometimes but when his silly little friends come along ignores you and behaves like a naff twat, thus entering naff twat phase. someone to avoid they will just mess you around, try to ignore the preciousness of those few lovely times you have together because they are bound to upset you and enter eternal naff twat phase.
BEWARE OF THAT BOY! HE IS A NAFF TWAT! DON'T TRUST HIM! DOOOONNNNN'TTTT TRRRRRUUUUUSSSSST HIIIIIIIM!
by i love bj May 24, 2010
A retarded person, or some-one who acts retarded for no reason
*drops fork*
"god your such a noof naff"
by >>GoZoe<< March 9, 2010
The failings of technology, as in 'Isn't technology great - WHEN IT WORKS!'
1) The address you put in is just on the riverbank . The Sat Naff took you to a dead-end and yes there is your destination, just a few hundred yards across the estuary - its only 33 miles via the nearest bridge! F**king Sat Naff!

2) The car just stopped and you are screwed because the Sat Naff took you through a ford that was well DEEP! Oh Shit its halfway up the doors !
by Gromit UK April 4, 2013
Stands for Nazism-and-Fun-Frolics. It is a wigga-nazi jacket. A naff is also a name for a twat that thinks hes in the 90's, with his spliffy jeans.
Look at the dick ed with his naff jacket on and his spliffy jeans what a cunt! oh its Alex Jackson!!
by rob18216 October 20, 2007
Someone who's mom is a whore/ slag.

Making you a hurt child.
by Naaman_Lyon September 18, 2020