Ethan: We do it for the goof, the laughs, and the gaff's.
Hila: Mhm.
by AuntHilda July 2, 2017
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A function/party, smaller than a rager but bigger than a kickback
Friend: Yo are there any gaffs tonight
Me: Nah shits dead on a Wednesday
by theoneandonlyturtleking September 11, 2023
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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!
by The Coltness Killa October 16, 2009
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perfoming oral sex
She gaffed me all nite!
by Megz;) June 4, 2003
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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...
by Yorkshire pudding December 13, 2017
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Grab Ass From Front

To grab someone's ass from the front.
Hey did you gaff Megan yet?
Shit man she loves it when I gaff her.

I gaffed her for two and a half hours.

by NieccoCapone November 24, 2008
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