Sue: I do not like to swear guys, but I think the 'S' is about to hit the 'F'.
Mike: The 'shit' is gonna to hit the 'f**k'?
Sue: No, 'F' is for 'fan', Mike, not 'f**k'. Why would shit hit f**k? Shit doesn't hit f**k.
Quote from S04E01 - Joint Session