by AuntHilda July 2, 2017

by theoneandonlyturtleking September 10, 2023

Mark - His name on the register is William, so why does he gets called Bill?
Charlie - Cos Bill is short for William!
Mark - Aww no, I just done a Gaff!
Charlie - Cos Bill is short for William!
Mark - Aww no, I just done a Gaff!
by The Coltness Killa October 16, 2009

by sesh lord December 28, 2016

by voodooelectronics July 19, 2006

Someone who sits in the background and laughs at everything that everyone says in a group conversation without contributing to anything that anyone says but giggling and smirking like a nonce.
Brian: Oi Mike, D'you mind if I bring Adam to on Friday?...
Mike: If you want but he's just a gaff. Doesn't say anything...
Mike: If you want but he's just a gaff. Doesn't say anything...
by Yorkshire pudding December 13, 2017
