moldy bitch
A bitch past her prime. An old bitch. A woman that is older and nasty. A male may be called a "moldy mitch".
pl. moldy bitches
pl. moldy bitches
"That woman knows she's a moldy bitch."
"I can't stand a moldy bitch trying to get up on my man."
"I can't stand a moldy bitch trying to get up on my man."