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.
Fucknuttery
1. The resultant actions/behaviour of being a fucknut.
2. Specifically in the context of belief systems. Use most often to refer to religious behaviour in preference to common sense.
See: Major Religions (and also the minor ones)
Preaching abstinence as sex education is pure fucknuttery.
It was fucknuttery when he told them that condoms would not save them from AIDS.
Fighting for peace the same sort of fucknuttery as screwing for virginity.