1. as a question it can be used to question someones stupid statement.
2.A way to tell someone they are not intellegent.
1. man1: My house flies into space at night.
Me:Are you fucking dumb?

2.Man1:Should we go to Canada tonight?
Me:no don't be fucking dumb, you must be the epitome of dumbassery
by mike1117 February 01, 2010
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Billy Bob: Hey, hold my beer while I prove these shoes are fireproof.
Nick: Fuck The Dumb Shit.
by Claude Ballz June 11, 2004
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A person who knows what you mean when you say something but acts confused.
Jonny: I have food on my table and a roof over my head. I am blessed.
Stevens: What kind of a house doesn't have a roof?
Jonny: It's a saying you dumb fuck!
by Vam Pire 101 August 17, 2017
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1. Someone who gets easily confused and fails to use common sense when neccessary.

2. Someone who is so fucking stupid you want to meet their parents so you can pour hot coffee on their face.
Woman: I'm kind of hungry.
Man: Ok, let's grab a movie.
Womam: Seriously you dumb fuck, I said I'm hungry.
by mmhmm2121 December 14, 2010
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1. A person is so incredibly stupid that it is not even funny any more.
2. The current occupant of the White House.
by jesster79 January 17, 2006
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