1.To get dominated, owned, or rocked by some unfortunate, overwhelming event, action, or person.

2. To dominate, own, or rock someone or something.

Synonymous with "you got served."
The quarterback got assblasted by the lineman's ferocious sack.
by IS SKYE January 6, 2005
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a diarreah expulsion of such great force that it literally blasts out the ass also known as a rectum ripper
last night I was drinking Teuqila and beer and this morning I had an assblaster
by scott davis August 10, 2004
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An assblaster is someone who pumps his load in another persons anus.

Anal creampie anyone?
Man you wanna see that bitch after I was the assblaster last night, she be walkin like John Wayne!
by Demoulous October 24, 2003
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1. When you have to take a shit really bad and it comes out as a runny burst.

2. Having sex with someone in the anus and having a lot of fun in the process.
1. That asshole Matt left an assblast all over my toilet!

2. We had a real assblast at the party last night. Matt's ass is going to be sore for a week!
by Frank Enbeens May 12, 2007
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An animal that can fly by ripping a huge fart and lighting it.
by Shablam October 26, 2003
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A loud, odiferous, noxious, and entirely pleasing emission of gases and various chemicals and excreta from one's nether gate.
I gave a satisfying assblast in the crowded elevator and caused a panic between floors 11 and 14.
by Flesticle N. Bumptious January 6, 2008
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