I used to know a guy who snorted extra strong mints. That made him sneeze a lot too. Strange chap. Middle of Classics lesson, he comes in sits down, everyones talking away awaiting the teacher. Next thing you know he gets out his pencil case ruler etc, breaks out some extra strong mints, crushes one, spreads it into a line and then snorts it, spends the next five minutes with red eys and sneezing his head off. Quite the funniest unprompted and unusual piece of ad hoc comedy I've ever seen, or certainly up there.