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