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35.
A word popularized from one of the greatest movies ever office space. A term that means some makes a complete fool of themselves.
Samir: No one in this country can ever pronounce my name right. It's not that hard: Samir Na-gheen-an-a-jar. Nagheenanajar.
Michael Bolton: Yeah, well at least your name isn't Michael Bolton.
Samir: You know there's nothing wrong with that name.
Michael Bolton: There was nothing wrong with it... until I was about 12 years old and that no-talent ass clown became famous and started winning Grammys.
Samir: Hmm... well why don't you just go by Mike instead of Michael?
Michael Bolton: No way. Why should I change? He's the one who sucks.
by GardenState June 05, 2005
 
1.
One, who, through the fault of his parents conception, is a skid mark in society's collective underwear.
You, my good sir, are an assclown.

Comment submitted with request to Delete:
"My Name is assclown and that is offensive"
by Chris October 23, 2002
 
2.
ass clown (ás kloun) n.:

one, who, through the fault of his parents conception, is a skid mark in society's collective underwear.
Phat Pat is ASS CLOWN.
by DEEZ NUTS July 04, 2003
 
3.
1. One whose stupidity and/or ineptitude exceeds the descriptive potential of both the terms ass and clown in isolation, and in so doing demands to be referred to as the conjugate of the two. 2. A male who engages in homosexual behaviors. See butthole surfer
1. Steve is such an ass clown!
2. Steven is such an ass clown!
by razer March 22, 2005
 
4.
1. A person who, while under the influence, makes a complete fool of himself while attempting humor. An assclown may wear an asshat.

2. A person who, while making a serious attempt as something, fails to realize what a complete fool he has made of himself.

3. An untalented schmuck.
1. That assclown thought he was being funny when he pretended to choke at the party, but everyone thought he was just being foolish.

2. The actor, while in character, made such an assclown of himself during the production that most of the audience started to talk during his monologues.

3. That assclown can't play the guitar at all.
by RumGunner August 29, 2002
 
5.
A person who by ignorance or stupidity takes up unnecessary amounts of your time.
This looser calling my tech support hotline is a real ass clown.
by A'ss K'loun January 30, 2003
 
6.
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.
1-I can't help but laugh at the
assclownishness of Johnny's story.
I wanted to kick him in the teeth
but couldn't because i was laughing
so hard at him.

2-Every time I say something,my assclown co-worker butts-in with
his "similar experience" or "knowledge"
of the subject.
by J. Malik August 28, 2005
 
7.
A person whose stupidity and incompetence are magnified by their laziness and indifference.
Involving that ass clown will do more damage than good.
by Mark Whitney June 07, 2004