A person who is not only lacking in clue but is apparently unable or unwilling to acquire clue even when handed it on a plate in generous portions.

Someone who thinks they're knowledgable in urban slang and contributes hundreds of shitty, worthless entries to urbandictionary.com.

Someone who despite constant failure, is unable to learn from these transgressions. Continues to do foolish and irritating things, which aggravate many people. They are not only a halfwit, but also significantly fucked in the head. Hence the term fuckwit.

Also can be associated with pathological liars, bullshit artists, and ass maggots.

a person with mental capabilities about 0.1% the power of a halfwit.

A person of demonstrably low intelligence, as exemplified by actions, statements, or beliefs.

any living organism capable of rationalisation skills but rather chooses to put aside any common sense and reason and mindlessly fucks-up (blunders and turns to shit) everything this waste of life and bane on existance happens upon. such entities often times also possess tendencies to verbalize and promote their opinions,thoughts,and feelings as though they were rules of nature and uncompromising truths and universal fact

A mean, selfish, insensitive, and otherwise uncaring prick.