The entirety of the human race
You must be really fucking dense to look up the definition of dumbass.
by Dank idiot December 28, 2016
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Damn Barack, stop being such a dumbass and actually do something meaningful and useful with your term
by Chasecarman April 28, 2016
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A person who can't decipher the meaning of "dumbass" and looks it up.

A person who already knew the meaning but looked it up for "kicks".

67% of the American population.

Look in the mirror for more information
Joel: Yo' man, what the fuck does dumbass mean?
Ashton Kutcher: I dunno bruhh, look it up on Urban Dictionary.

Dave: Mom, I'm sick of living in your basement and watching My Little Pony: Friendship is Magic reruns. I want a job.
Dave's Mom: How about a job as a dumbass?
Dave: Sounds great! How do I apply, though?
Dave's Mom: Look up "dumbass" on Urban Dictionary.

Dave: But I already know what dumbass mea-
Dave's Mom: Do you want this fucking job or what, you worthless piece of human shit!? Look up "dumbass" on Urban Dictionary right fucking now!
Dave: Okay, okay!

Judy: Hey Lexi, did you know that 67% of Americans are dumbasses?
Lexi: The more you know~

Pete: I looked into the mirror last night and I saw a dumbass!
by I love you, Senpai~ June 8, 2014
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Being dumb and an ass combined
You my good sir are a dumbass.
You my good lady are a dumbass
Stop being a dumbass Jerry

You are a dumbass
by Jdjenejsodhd January 29, 2018
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