assclown 

someone who doesnt know what the hell they are talking about,makes stupid BS comments, pisses people off, and has no idea that everyone thinks this about them.

see google image "assclown"

assclown by stesh July 19, 2008

Assclown 

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"

Assclown by Chris October 23, 2002

assclown 

1. A person who, while under the influence, makes a complete fool of himself while attempting humor. An assclown may wear an wordasshat/word.

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.

assclown by RumGunner August 29, 2002

assclown 

someone who acts like an idiot to the fullest.

look at this assclown running a red light.

assclown by sinestro1 December 25, 2010

assclown 

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.

assclown by J. Malik September 19, 2005

assclown 

a man who overestimates his importance in anyones life, has left a mark on society in the form of a stain on its undergarments and often goes by geeky names like "grax" in chat rooms

The assclown is lonely because he mistreats others.

assclown by ccccccccccckat June 6, 2012

assclown 

1. A person that is so silly and embarassing that neither the word "ass" or the word "clown" can properly describe them.

2. One who takes part in bafoonary, douchebaggery, or general just-too-muchary, often because of drinking alcohol.

3. To be embarassing or embarassed by your actions.

Also see Assclownery

Synanyms: Bafoon, Buttclown, Drunkard

1. Bill is really an ass for sharting in the bar. He is also a clown for telling everyone about it. But he is certainly an assclown for not going home from the bar and spending all night with a poopy butt.

2. If these girls don't leave with us, let's just get hammered and act like a bunch of assclowns.

3. I feel like an assclown after seeing thos pictures of last night.

assclown by tdeligia May 23, 2007