A person who is dumb - but also an ass.
"oi what you doing steven?"
*steven who is clearly having sex with the cleaner "What do you think I'm doing dumbass!"
tyron dillerd
person 1"yo you seen that dumbass today"
person 2"who?"
person 3"you know tyron dillerd"
A "dumbass" is a person who has to search the meaning of "dumbass" on the internet
"dumbass"
Dumbass- Your friend, that is a guy.
ADRIAN U ARE A FUCKING DUMBASS IF U ARE READING THIS FROM UR FRIEND ANNA C.
A dumbass is someone on miceforce that think they are famous on a rat game and think they can talk about everyone behind their back without people knowing they did.
Also their friends defend them no matter what that person did.
Sungoh: omg have you seen that dumbass??
jenosjam: are you talking about Mistixy?