Pissed With The Seat Down Edit Meaning

1.

To make a simple mistake, a schoolboy error. Taken from the terrificly silly act one can undertake if one fails to lift the lavatory seat whilst relieving one's bladder.

ORTON "Dufresne, if you want to indulge this fantasy, that's your business. Don't make it mine. This meeting's over."

ANDY "Look, if it's the squeeze, don't worry. I'd never say what goes on in here. I'd be just as indictable as you for laundering the money!"

NORTON "Don't you ever mention money to me again, you sorry son of a bitch! You've really pissed with the seat down now Dufresne. Solitary! For a cocking month!"

See error, mistake, cock up