Someone who is a total fuck but is also a halfwit. Sometimes defined as one who is a dimwit and a fucktard as well.
Get out of the way f*ckwit!
1) The person suppling a given situation's fuckwittery.
2) An extremely stupid person who is not content to merely be dull and quiet, but must attract attention and attempt to influence situations based on half-formed thoughts and impulses.
Many people say our president is a f*ckwit, and I'd have to agree with them.