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1.Fuckin fuck nuts stole my shit. ASS!

2.Your girlfriend like my huge fuck nuts.
by Mr. Thomas August 09, 2007
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15
Backstage slang: The small square-headed nut on the side of a C-clamp used to hang a light from a bar. Secures the light so it won't swing side to side. So called because they are easy to over-tighten, snapping the nut and making the clamp useless.
Stagehand: Fuck! I busted the fucking fucknut!

Lead Electrician: *sigh* get a new clamp from storage and swap it out... fast.
by We'll sleep when we're dead. December 27, 2005
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16
One who is "hyper-stupid." Or one who is more stupid than stupid itself: hence a fucknut.
The girl called the guy, whom she liked, and told him that she hated him, thus the guy, knowing that she did indeed like him, called her a fucknut.
by Chad Collins December 27, 2003
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17
Ally: Hey you fuck nut get out from underneath my booty!

David: What's a fuck nut?

Ally: It's just a fuck nut...
by Ally&David September 29, 2011
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18
Originally coined by Vince Park. This term is primarily used as an insult towards anyone that acts hardcore on the internet, yet actually has a simple personality offline.
Terry: Dude, what a fuck nut.
Gary: Yeah, I know. Just 'cause he can hack doesn't mean anything. He's still a sheep.
by Thousand Eyes April 20, 2010
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20
Some one so annoying that they dont leave you alone, like those fucknuts on msn messenger.
by Jamie Wright February 21, 2004
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