A genuine Idiot, usually a person not thinking straight, or has no idea what they're doing.
by Terminator30112 February 27, 2017
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Dumbass is a word people would cal someone else if they are stupid or do stupid things. dumbass is classified as a bad word from many parents and many uptight kids.
"you`re such a dumbass mate"
by jeremy beremy August 29, 2022
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You;

A retard who sits on his ass all day looking up random ass words on the urban dictionary jacking off all day to these shithole definitions.
Jimmy; “Hey dumbass!”
You; “I’m not a dumbass!”
Jimmy; “Yes you are, Dipshit!”
by ~AssBlastingBitchloid~ October 1, 2022
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If someone just looks the word up then your a dumbass !!!! It explains everything
Joe :your a dumbass

Bill: ok your a cunt
by Simile January 1, 2017
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A person is both stupid (e.g. dumb) while also stubbornly refusing to stop being stupid when asked (e.g. Will Tomasini)
I couldn't teach him how to use the paintball gun because he was running around with it between his legs like a dumbass.
by Professional Worder January 7, 2023
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