When a people acts like a stupid ass and didn't even think of wtf there saying. Someone like Jacob.
"Hey Kristina," want to come to the library w/ me?" said Jacob.

"Sure," said Kristina.

Few Days Later.

"That was a great date," said Jacob.

"WHAT? YOU DUMBASS, THAT WASN'T A DATE?" said Kristina.
by ladybooxfoo September 25, 2009
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To be doing something worthy of making you a dumbass.
"Damn it Steve, quit dumbassing around and start feeling up those spoons!"
by Tex Mex March 9, 2005
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When a person is being stupid you might refer to their stupidity. When a person is being an idot you might refer to their idocracy. When a person is just being a DUMB ASS you can now refer to their "dumbassity."
My boss wants me to come in early to work without getting paid. I am thinking that he has a severe case of dumbassity.
by daddybowie April 22, 2009
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AKA retarded. Sometimes when you're hanging out with your friends this kind of behavior is acceptable; however, in the general public you should definitely limit your dumbassness. Acting loud, stupid; making poor decisions regarding life. See also teenage boy.
Sitting alone in his room at night, with no one else to even talk to, Steven finally realized something: he was a dumbass.
by dreadreaDREA! (LOL FAIL) March 18, 2009
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Anyone who spends all their money at strip clubs because they are to stupid to get a date and they are still living with their parents at 25 being told what to do all the time because they have an IQ of 50 and don't have enough money to move out because they can't hold onto a job without getting fired.
Chris is so retarded! He can't talk to women because he is stupid so he spends all his money at strip clubs. What a dumbass!
by Freedy Martins October 27, 2009
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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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