look up any word, like vai tomar no cu:
 
11.
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.
by tdeligia May 08, 2007
177 79
 
36.
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.
by ccccccccccckat March 03, 2012
6 1
 
37.
Someone who constantly nit-picks other people's mistakes while simultaneously is completely oblivious of their own.
Mason thinks his crap doesn't stink. He's such an ass clown.
by FRizzo August 06, 2005
64 59
 
38.
A Washington Metropolitan Area Transit Authority Employee.
"Those ass clowns waste tax dollars like they have their own printing press."
Those ass clowns couldn't pour piss out of their boots if the directions were written on the bottoms."
by snipet May 01, 2008
12 8
 
39.
someone whos a total ass. usually pisses off others by their general existance
zac is a total ass clown
by dood faygo November 29, 2006
8 4
 
40.
One that is a complete mistake to existence, and absolutely terrible at everything they do.
For those who play Call of Duty/other related video games:

"That guy I just knifed is an assclown."
"Get knifed, assclown."

For regular use:
"Wow, look at that guy. What an assclown."
by Kain91 April 26, 2010
8 5
 
41.
a fool or idiot
get back assclown, you don't know how to do that!
by markbuckhardt February 28, 2010
6 3
 
42.
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 23, 2009
5 2