a bacterial disease
skinny white boy who looks like he has down syndrome = firth
af sam excellent 4. december 2003
The process of being penetrated in the booty hole while giving birth.
Christopher is a firth baby.
af CupDude 17. februar 2009
Puss-filled bubble, usually located around the anus.
"Yo, is that Firth in that Chevy?"
af Dr. Curtis 6. december 2003