a bacterial disease
skinny white boy who looks like he has down syndrome = firth
بواسطة sam excellent ديسمبر 4, 2003
The process of being penetrated in the booty hole while giving birth.
Christopher is a firth baby.
بواسطة CupDude فبراير 17, 2009
A derivative of filth. Meaning lower than specks of dust on your shoes.
Man, that is pure firth!
بواسطة Crismon يونيو 16, 2003
Puss-filled bubble, usually located around the anus.
"Yo, is that Firth in that Chevy?"
بواسطة Dr. Curtis ديسمبر 6, 2003