1 definition by AnonymousHelper

Fuckernut is used when you do something that causes great pain to your body. I first used this word when I stubbed my pinky toe on a doorframe. You can also call someone a fuckernut. It can mean "Fucking retard". Nut meaning crazy person.
1. Oh, fuckernut, that hurt!

2. Shut up, you fuckernut.
by AnonymousHelper December 7, 2016
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