1. A person who is so annoying and dumb that they can no longer be classed as an idiot and therefore a new level of idiot was created for them, the Fucknut.
2. A person who as shit for brains (that's if they lucky).
3. A person who was dropped from a tall building at birth.
4. Also see: Alex Glumac

A person who fucks a person's nuts.

An specific insult to a douche bag of a person

Most likely a guy

Someone who has BFE and has achieved both Megamind status and Big brain hours

A person with very low intellect that somehow came into existence thanks to his/her father nutting in their mother's diseased cunt.

Someone who's a complete and utter fool and has absolutely no clue as to how foolish they look.

n. Oleg, the disrespectfuck who gets loose & steals peoples internet even when its REALLY crappy.