assclown

/ˈæsˌklaʊn/noun
RareNot in standard dictionaries
1

A jerk; a buffoon; a person who is inept or ill-behaved to the point of being found laughable by others.

2

A jerk; a buffoon; a person who uses their nature to bring humor to others, but ends up being the butt of a joke.

#slang#vulgar