Someone who is blissfully and in some cases dangerously unaware of just how fucking stupid they really are.
by Beaverchaser September 8, 2016

someone that does something before they think about it. But sometimes realizes that it was a mistake and that they are thinking they are a dumbfuck that they did it. So a dumbfuck is someone that realizes that they are a dumbfuck for thinking that they are a dumbfuck. I'm a dumbfuck for making this so confusing!
Cody is a Dumbfuck sometimes wen he thinks he is a Dumbfuck,
Melissa thinks she's a Dumbfuck, but she isn't
Melissa thinks she's a Dumbfuck, but she isn't
by canada,c August 3, 2010

Anyone who still considers themselves a democrat or support s Biden after record inflation and fuel prices.
by Old Wise E March 12, 2022

Name for the Vice Principal of the high school. A greasy, inadequate douchebag who's afraid of his own shadow and lets everyone walk all over him, including the students he's supposed to be in charge of.
"I've got to go down to the office and see Dumbfuck because I was caught smoking again. Watch me talk my way out of this one."
by KTDigs December 15, 2011

by Ditto. September 30, 2007

by auntegg April 29, 2006

by Beep Bepp July 13, 2003
