look up any word, like swag:
 
1.
Someone who hasn't got a clue!
They live in blissful ignorance of the world, fashion, personal hygiene and social skills.

Invariably laughs like a baboon being repeatedly punched.
"That bloke is a total dufus"
"He laughs like a fat, useless dufus! Lets promote him!"
by Anon January 02, 2004
999 239
 
2.
some one stupid.
from the word doof which is german for "stupid"
oh mai gard ur such ay doofus
by Dux00rs July 11, 2004
596 253
 
3.
An foolish, incompetent or stupid person.
tina is a prime example of a doofus
by werdna33 May 10, 2005
464 171
 
4.
A total fucking idiot
by Christy February 12, 2003
449 269
 
5.
A big, slow, dumbass

see also Homer Simpson
by Anonymous October 25, 2003
319 181
 
6.
One who behaves in an irrational or immature manner
Don't be such a doofus!!!
by Splenda June 21, 2001
248 141
 
7.
someone totally stupid, dumb and clueless (zong)
omgsh that zong is such a doofus
by Yummy girl asia December 09, 2006
201 97