A derivative of filth. Meaning lower than specks of dust on your shoes.
Man, that is pure firth!
dodane przez Crismon czerwiec 16, 2003
3 more definitions
The process of being penetrated in the booty hole while giving birth.
Christopher is a firth baby.
dodane przez CupDude luty 17, 2009
Puss-filled bubble, usually located around the anus.
"Yo, is that Firth in that Chevy?"
dodane przez Dr. Curtis grudzień 06, 2003
a bacterial disease
skinny white boy who looks like he has down syndrome = firth
dodane przez sam excellent grudzień 04, 2003