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Standard British slang meaning someone who is dumb, stupid, annoying, similar to the dumbarse American dumbass.
This is a dumbarse site.
My headmaster is a dumbarse.
The American's have such dumbarsed slang.
by mkk December 24, 2005
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May 27 Word of the Day
The act of extreme masturbation. You must "knock one out" whilst in close proximity to any of the following; Your mum, a nun, your boss, a member of parliament, George Michael. A person with capabilities to act upon catching you mid self-abuse obvisouly ups the ante. Ejaculation must be reached before your danger wank target comes (no pun intended) to investigate. The higher the chances of being discovered with one's pants down, pulling one's war face is obviously where the danger comes from. The more danger involved the harder (or softer) it is to complete the task in hand (snigger). The more dangerous the better. The chance of being arrested, pummeled by an angry father or having your hand severed by an arab's sabre means that you are a pro "Danger wanker."
"I was in my bedroom and i shouted downstairs, "Mum there's call the police there's a madman with a set of steak knives hacking me to pieces!" As soon as I heard her scream, I dropped my trousers and commenced the danger wank. As I heard her stomp up the stairs I knew i had to be quick so i upped the pace, i heard her stumble on the top step, which bought me some time. Unfortunately for me I timed my finish badly. As my mum barged through the door armed with a rollign pin I chugged all over her. I spent the evening in A&E with concusion. Now thats what i call extreme DW"
by johnnynika May 30, 2006
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2
An insult for silly people or a very stupid person or an idiot. Someone you don't really want to talk to. A person who is just dumb.

Correct spelling for dum ass
Person one: is one plus one one?
Person two: no it's two dumb arse
by Ahsat May 28, 2008
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3
1) A person who cannot answer anything in school

2) someone who is literally dumber than an arse

3) a type of donkey that is a slow learner
you failed ur test, your such a dumb arse
that boy's such a dumb arse
Thats not a smart arse thats a dumb arse
by Adchwa March 15, 2008
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4
A way to say dumbass in a bit of a diluted manner.
Friend: Those loosers keep dissing Otakus!
Me: What dumbarses!
Friend: I know!
Dumbarses: I hate Otakus! Anime sucks! Japan can go to hell!
*Dumbarses are hit by a druck driven by me*
by Alex W October 12, 2005
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5
v. One who dusnt no aniething, one that caint spwell.
Wow, what a dumbarse she was.
by Carlos August 22, 2004
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