What is Flarn?
1.
A polite way to describe curse words.
"You can't say no filth flarn filth flarn filth"
"Have a coke and a smile, and shut the fuck up!"
See
2.
Filth found only in Oneonta, NY
did you see the flarn behind aces dresser?
3.
THa'ts one kind of great thing, it's a flarn
this flarn made me piss my pants, but i love it anyways never the less