What is Fillarious?
1.
Very humorous, short for "f*cking/friggen hillarious". Often used when accidentally when trying to say very funny.Used when story telling or explaning funny events..
"Dude, did you see that kid in Math class? He friggen pooped his pants. It stunk like hell, but it was fillarious."
"Wow man, I just saw scary movie. It was fillarious"
See