Top definition
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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