A person (typically male) who refuses to engage in normal romantic relationships. They are sometimes referred to as "emotionally unavailable" and tend to lie, cheat and manipulate women until the woman is whipped into a state of complete confusion and suicidal tendencies. Often times the unsuspecting female is initially lured by very romantic, passionate, hot behavior only to be met with ice once she starts to expect some of the lies the assclown has dished out.
Marge is a wreck because her assclown stood her up again after promising to take her to Europe for Valentines day.
by Janneva February 17, 2011
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Someone who is an ass, but is disguised a person who is cute and funny. Their true spirit is less Ronald McDonald and more Stephen King's It.
Eric was a such charmer on the surface but he soon revealed himself to be a real assclown.
by authenticme November 15, 2012
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Any person who thinks the show Jackass should be taken seriously.
Did you hear about that assclown who barbecued himself on a grill while trying to create his own Jackass stunt?
by redelman43199 May 13, 2011
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A person who thinks he is awesome, but everyone really only tolerates his presence to have someone to poke fun at.
"Dude, Shane Eric Cody Smith is such an assclown, did you see the way he was acting at Lizzies party?"
by Capt. Save-A-Ho April 4, 2009
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Heres the REAL definition of assclown...
Someone that says a joke only he thinks is funny and no one laughs.
Neutron: How much for a beer?
Bartender: For you NO CHARGE HA HA HA!!!!!!!!!!!!
Neutron: ..................................... Dude ur an ASSCLOWN
by nirvvboner October 30, 2010
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Noun:

1. A troll who frequents the same chat room/game room with the express intent to annoy the regulars with ilk, foul language and total disgust and rudeness. Usually said assclown will end up getting the perma-mute by everyone.

2. In general, on the society totem pole, someone who is lower than an asshole or jack ass.
Room reg: Look! Our resident assclown just came in! Everyone initialize your perma-mute button, as he's going to do nothing more than troll and flood the chat with his foul mouth and stupidity.

Oh christ, the assclown is back. Mute now to avoid feeding the troll.
by The Saucy One November 24, 2009
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A person who is laughable and detestable at the same time.Usually

pretends to be a know-it-all,often

enhancing their stories,knowledge,

experience,and every thing in between

with pure bullshit.

E.g Jimmy Kimmel.
by Dunkaroo2 April 7, 2018
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