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