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A individual who has a permanent Dumb look on their face.

usually the mouth stays slightly open and their teeth, tongue or gums are always visible.
she has a total duh face, she looks dumb all the time.

(looks like they are trying to catch flies with their tongue 24/7)

you know like fly tape?
by sweetpizzle December 13, 2009
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Call someone a duhface if they have an annoying habit of saying "DUH!" or if "DUH!" is supposed to be your line.
You: Wanna come over?
Person: DUH! (for the thousandth time)

Person 1 to You: Hey, wanna grab some lunch?
Person 2: Duh!
via giphy
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