During sex, one party gazes at the other, grinning like a deranged clown. Generally used as a tool to ensure the receiver of the clownfuck will never be interested in you again.

can be referred to as "clownface"
"How did it go with Anne the other night?"
"Well, she clownfucked me..."
"Did it work, are you gonna call her again?"
"Of course not, I can take a hint, I mean who wants to bang a girl that stares at you like 'It the Clown', I felt like I was having sex with Gary Busey wearing Joker make-up"
by The Latvian Riverbank September 21, 2011
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somebody who is both incredibly stupid and extremely unlikeable. A total joke.
What kind of clownfucker borrows your credit card and uses it to rent a hotel to bang your wife in?
by Christine June 26, 2004
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"That Randy, he sure loves to fuck clowns."
"He's a clownfucker, ain't he?"
"Best damned clownfucker I've ever seen."
by Sean Blackwell August 17, 2004
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1. A social jackass or fool.

2. One who fucks clowns.

3. One who is generally considered as foolish or naive for their actions.

A clownfucker can sometimes, but not always be an assclown and vice versa.
Did you hear? Stephen punched a cop in public and tried to run away. The clownfucker's in jail now..

assclown clown
by Ldogg. February 7, 2010
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