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