Someone so stupid it’s a profession for them
You see John over there?

He thinks that’s it’s fun to eat rocks and stick things up people’s ass.

This is a professional dumbass
by Professional Dumbass February 10, 2021
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it is something you were born with, and it shows up when you reach your highest level of dumbass possible
Paul just realized he has the dumbass disease.
by smartass (: August 26, 2009
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Someone who's fucking stupid and doesnt know anything about global issues.
Iain: why's it so dark outside?

Zach: its because of global dimming you global dumbass!
by The juciest juicer October 5, 2017
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(also "DAMBILI BAMBAS"/"Where have you been for eight years?", can be combined*) meme based on disinformation campaign in the context of the 2022 Russian invasion of Ukraine, originally from russian propaganda takes related to the try of justification of invasion of Ukraine for the russians and people with problems in critical thinking and informational hygiene all over the world (even though the russians themselves have proudly admitted many times that they destroyed Donbas in 2014, read about Girl in, for example). Russian bots and paid rallies still use this, sometimes something goes wrong, cuz they have no idea what Donbas and where Donetsk and Luhansk is and they making mistakes in typing Donbas, that's where the expression Bombas/Dumbass came from.
*news about russian terrorist attack on civilians with number of deaths*
comment by russian or russian bots, that can't even show Donetsk or Luhansk on a map: "U DESERVE IT, UKRONAZI, *U BAMBILI DUMBASS FOR 8 YEARS!!!"
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Some who gets straight A's in school, but out of school they're a complete dumbass who thinks they know every thing but don't know shit because they're only school smart
Man that he's fuckin dumb! He say's he gets straight A's, but he shore doesn't know shit when he's trying to explain a part of someone else's conversation. He must be a Smart dumbass.
by Average_joe420 August 29, 2014
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n. 1) doing something incredibly stupid by accident, usually resulting in a core router or production database being shut down.
running 'route delete default' or 'ipfw add 0001 reset ip from any' from a remote SSH connection
by charlie root August 27, 2003
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An alert when there's a dumbass in the area.
Dumbass Alert! Dumbass Alert! Nigel is at the park with us! Said, Joey
by thedickwaddle July 30, 2019
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