Beginning at 7:18, as the guys discuss the fake suitor plot, Norm signals for a beer refill. After one slight sip and putting down a mostly full beer, suddenly his glass is empty again.
Sam says, "Get him out of here before there is clown white all over the walls." Clown white it the name of a specific type of white makeup, only used by mimes and, of course, clowns. This is not something that one would expect him to know.