Sitting at a slot machine for a long period of time.
Doug: Have you seen Eric today?
Brad: Ya he has got casino ass on Glitz.
Doug: Wow he's been at that slot machine for a long time.
Term used for a gambling arcade where the machines don’t pay out often enough and the gambler plays down all their money before leaving.
“Fuckin’ ratchet ass casino! George is a fuckin’ thief man!!”
“Hey man you see Shane yesterday?”
“Yeah he was bitching about the machines and calling the place a ratchet ass casino.”