Someone who lacks any grammar whatsoever. People who spell nearly every word that they type in slang.
Ja Rule Hater's explanation of GWB stupidity.
1. A person who lacks intelligence.
2. Barack Obama
Barack Obama is a dumbass.
The Best reporter(s) Fox News can offer for unbiased news.
What a dumbass that reporter is for recomending George W. Bush
hey fad
hey dumbass
hey stupid
hey fucker
hey cumman
hey cumin
hey lad
hey trish from jojo bizarre adventure
hey dumbass
An anti-vaxxer
Karen: I'm anti-vaxx
Someone with common sense: You're a dumbass