Some one who can't think for them selves or otherwise thought as stupid.
Will robertson is a dumbass for thinking he's not hipster. When someone turns into a zombie why do they turn into a dumbass? "Why are Brad and Angelina together? I think their a bunch of dumbasses"
by king richard the IV May 27, 2011
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a person who looks up dumbass on urban dictionary
You, for looking up what dumbass means on urban dictionary, are a dumbass.
by YourCallHasBeenForwarded February 9, 2021
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Someone who makes senseless choices and ruins everything.
ex. George Bush
51% is not a mandate, George W Bush is a dumbass.
by Lisa K March 10, 2005
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Dumbass: (1) A really idiotic person (2) A cast member of the online show Dumbass (3) Dumbass: The online show in which a group of kids go around their town and neighborhood filming themselves doing stupid things then putting the footage in episodes and up online.
Ben, The Jew is on the online show, Dumbass. Brenden isn't on the show dumbass, but he/she is a f***ing gayass.
by Lemon August 6, 2004
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dumb+ass=dumbass is a breed of people that believe in being lazy and not study or do anything right. Usually a fricken fob that cant speak.
I am going to wip that dumbass.
Don't be such a dumbass.
All the girls that show off their boobs for money are dumbasses.
by killer[newbie] July 10, 2003
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My Father and you for looking it up.
You prove just how big a dumbass you are by looking this up.
by kitkatover9000 August 20, 2010
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