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1.
A jackass, one who has bong smoke of the brain, a person who is a complete moron.
Look at that war protester, he is a real fuckernutter.
by Jay Dog April 09, 2003
 
2.
Similar to a fluffernutter, but made during sex with peanut butter and semen and fed to the woman.
I blew my load onto the bread, spread some peanut butter on the other slice, put them together and stuffed it in her mouth. She loved that fuckernutter.
by BJ23 November 30, 2007
 
3.
someone who fucks nuts
he is suck a fucker nutter
by andrea January 13, 2004
 
4.
A person that has sexual relations with wooden objects.
You are such a fuckernutter I bet those cigar indian carvings get you off?
by mike signorelli October 27, 2003