22
Having the characteristics of a classic bastard child, usually male. Often is a bastard child. Lack of father figure and discipline along with spoiling by female birth unit, creates common character traits such as:

- Starts conversions with people who resent him, yet he continues, enjoying himself the entire time.
- Uses people's valuable time with out permission.
- Thinks "no" means yes.
- Conceived through sin or badly mistaken choice of sperm donor, and mother failed to get an abortion.
- Lives in permanent narcissistic fantasy world that no amount of talking or punishment can change.
- Thinks he knows better then others even after non-stop life failures.
- Does just enough to get by, which usually involves living off others.
That ass clown lived off me for a year, and never paid rent.
by CalisDead May 04, 2009
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23
a person who is a total moron, or who makes an attempt to do something but ends up failing miserably & entertains everyone around them
When we were all drunk at camp, our friend Mike tried to jump over the tennis net, but ended up making a total assclown of himself.
by Kimberly Nicole July 23, 2008
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24
Someone who considers it his or her sworn to duty to act like a complete ass at all times.
Assclownery: the act of being an assclown.
Anybody from the show jackass is an assclown
by DennisIsEvil October 15, 2005
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25
Roy "Big Country" Nelson who is a better coach then Shane Carwin from TUF 16 on FX and who is an entertainer who can laugh and show is ass and still fill your life with joy.
That ass clown made be laugh so hard I pooped my pants. Roy Nelson is a coach that made me a better fighter and person while Shane Carwin watched.
by UFC Fan - Dana White September 12, 2012
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26
Barack Obama is the biggest ass clown ever.
by Birther By Logic April 26, 2012
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27
An "Insult" used by idiots who can't come up with a better insult so they pull a clown out of their ass and say "This r ass u, u ass clown!!" and then he gets punched in the throat.
First of all we didn't help you because nobody likes you, Second, WHAT THE FUCK IS AN ASS CLOWN YOU INBRED RETARD?
by T.I.T.L.e. September 08, 2010
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28
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
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