(1) A disparaging term for a person below average intellgence; (2) a nut that has been fucked . . . very hard.
by Anonymous December 3, 2002
Get the fucknutmug. Like a fuckknuckle only more irritating. You may forgive a fuckknuckle but are more likely to slap someone who is fucknuts.
by catmannz August 4, 2005
Get the fucknutsmug. by DougieEinstein September 30, 2015
Get the fucknutmug. Fucknut is a name for a fucking idiot, it also means when a girl sucks your nut and when a boy sticks his nut inside a girl
'stop being a fucknut mickey!'
by mickeyDeeznutz69 March 6, 2022
Get the Fucknutmug. When a man, while boning a girl, pushes it in so far that one, or both of their balls get stuck in the girl's vagina.
by ifukdyermom February 20, 2009
Get the fucknutmug. by anonymous1anonymous2 January 16, 2009
Get the fucknutmug. by damn_air January 26, 2005
Get the fucknutmug.