A derivative of filth. Meaning lower than specks of dust on your shoes.
Man, that is pure firth!
Beküldő: Crismon 2003. június 16.
The process of being penetrated in the booty hole while giving birth.
Christopher is a firth baby.
Beküldő: CupDude 2009. február 17.
Puss-filled bubble, usually located around the anus.
"Yo, is that Firth in that Chevy?"
Beküldő: Dr. Curtis 2003. december 6.