somebody that acts like an idiot or somebody that is an idiot.Also somebody that looks like an idiot.
(made famous by wwe wrestler,Chris Jericho)
That assclown doesn't know what the fuck he's doing.
That assclown betta not start somethin'.
Look at the gear that guy is stylin in, he looks like an assclown
by T'Kwik May 20, 2005
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An noun refering to ones boss, who lingers around the office preventing one from participating in, and enjoying the internet or e-mailing friends while at work. They think that said person should be "working".

phillychik hasnt been around today on the boards because "assclown" is hanging around the office.

by Jor-Juh Assclown November 30, 2006
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krispy hitting his own team mates with frags and doesnt even say sorry.
solidus calls krispy assclown for hittiong him.
by solidus51 September 11, 2008
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1. a formidable intellect.
2. a handsome and credible reviewer of popular music.
Some people refer to me as an assclown, and I consider it a compliment.
by jackrudy September 28, 2006
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Someone who makes pointless comments and is always mad about the small things. No make up is neccesary to be considered an assclown, Although blond hair helps.
That Cara, she such an assclown.
by crasarfdsa June 4, 2007
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noun: person who makes an attempt to provide factual information that is clearly untrue.
A man walks into Southstreet and says "Erich" you are an assclown as he leaves.While calling Erich an assclown the man simulates a gesture utilized by clowns to simulate creating a horn noise while squeaking his nose.
by Treehouse Bahr September 4, 2005
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somebody who is so bass that they'll fart for other peoples benifit in the belief that it will be a merry pastime for all.
''Oh you, acting the assclown again?''. She said with a thin facade of amusement.
by Bardoi Music November 28, 2010
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