What is Fart+knocker?
1.
A simple derogatory term used to make fun of someone.
It's use does not specify what the person has done, simply that you are letting them know your are making fun of them
Origin is from the cartoon series " Beavis and Butthead"
Beavis, you're such a fart+knocker.
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booby; obviously the smartest person in the world;the man; i'm just the superdeduperist person you will ever know
El Boobway is aw..