Term used in magic to describe a false or rigged item
A nesting coin is a gaff.
by TheNeed73 April 15, 2017
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A british slang word meaning house/sesh.
Hey anything on tonight?

Yeah there's a mad gaff on down the street
by BigZaddyWolf June 27, 2019
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Something Joe Biden does I think? Wait what was I saying? . No wonder, it don’t make sense and it’s not on UrbanDictionary
Gaffes - Turn on your tv tonight wait wait I mean your record player tape.. I was thinking in my head... horse face pony butt! What I’m trying to say... wait what
by DjSniper_ June 13, 2020
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Acronym of the infamous web site Godawful Fan Fiction and its associated message board, dedicated to finding, discussing, eviscerating and laughing at the worst examples of fan fiction available on the internet.
Hey, the author of that Orlando Bloom/George Bush/Harry Knowles bukkake story just got ripped a new one on GAFF and she's posted a huge rant to defend it.
by BV January 13, 2004
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To get caught up in or by something unexpectedly with negative results. Based on the hook used to drag a large fish onto a boat.
Admiral Krag was the king of internet latinas until he got gaffed by a cease and desist letter.
by nexusix February 02, 2009
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The boss is coming in to audit me today but my GAFF is low so I'm going out for a smoke.
by squarecats February 22, 2012
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