Someone who is simply a complete imbecile. This word can be used in certain situations such as driving, internet conversations, politics, or any other activity in which requires it.
Skip Bayless: Aaron Rodgers is being a prima-donna and a diva by trying to force his way out of Green Bay.
Derives from the term "Fuck knows", which is another form of "God knows".
Used to describe someone who has led a sheltered life or is blissfully unaware of current events.
"Of course I know who Angelina Jolie is! How Fucknosed do ya think I am?!"
is slang to insult some one who has recently insulted you or it is used to cut some ones sentence short. It is said in a fast manner to show that it is one word.