a bacterial disease
skinny white boy who looks like he has down syndrome = firth
de sam excellent 04 Decembrie 2003
The process of being penetrated in the booty hole while giving birth.
Christopher is a firth baby.
de CupDude 17 Februarie 2009
Puss-filled bubble, usually located around the anus.
"Yo, is that Firth in that Chevy?"
de Dr. Curtis 06 Decembrie 2003