Someone who so dumb they need some medical help. Like seriously their a dumbass. Help them
Man1: hey, dumbass watch where your going!
Man2: hey, stop yelling dumbass!
Get the mug
Get a Dumbass mug for your bunkmate Sarah.
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 07, 2014
Get the mug
Get a Dumbass mug for your brother Vivek.
Someone who looks up the word "dumbass" in a dictionary.
If you don't know what a dumbass is you really are a fucking dumbass.
Many people don' realize it, but they all sound like dumbasses.
by An A Cup February 09, 2018
Get the mug
Get a Dumbass mug for your boyfriend Günter.