an extreme of something, can be used as an adjective.
That fool is dumbass high

There were dumbass RDB' s at that party last night.
by george tedbetter July 23, 2006

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A guy I know named Aaron who is an idiot and basically a complete screw off until the last minute and even then.....
Aaron: Hey dude how do you convert a decimal into a percent???
Some Random Person: Jeez your suck a dumbass.
by Game Crazy February 02, 2006

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A buttocks with a degraded memory.
You fucking dumbass. Go fuck yourself!
by Spike Minoda July 10, 2004

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The Urban Dictionary T-Shirt

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an ass that is of low intelligiaaance
You have a dumbass
by heebie jeebie February 05, 2003

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The people who post definitions for Britney Spears.
omg britany suxOrs!
by Anonymous September 14, 2003

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Whatone will be if (s)he doesn't want to go to school and thinks the info they learn there is useless.
by dj gs68 September 01, 2003

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1.Someone retarted
2.Arrogant
3.Stupid
Meaning he/she does'nt make sense or understand anything.Does stupid things and thinks they are right.Won't listen or except the truth.
Devin:"Dude, stop touching me."
Austin:"Why?I'm not touching you!"
Devin:"Stop being so fucking annoying."
Austin:"Poke!Poke!Po-"
Devin:"Leave me alone, faggot!!!"
Teacher:"Excuse me!"
Devin:"He's being such a dumbass!"
by Trent Frost April 22, 2009

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One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

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