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1 definition by thederby

 
1.
a clueless person, most always lacking even the most basic social skills. a doofus often thinks they are a bit smarter then everyone else.
when a doofus makes silly comments at the dinner table and everyone rolls their eyes they think everyone got something in their eye at the same time.

A doofus views defeating a 6 year old at a game of tic tac toe
as an accomplishment to be bragged about.
A doofus does not understand why you are not fairly impressed by this.
by thederby October 02, 2012
12 2