i'm getting flashbacks to the days when this one GM i knew (who people would PAY to be in his games -- i guess they were Maschochists) would regularly pull stuff like:
-- when sheathing your pointed stick, DEX roll or cut off your leg
-- you enter a room with a chest in the far wall. there are flies buzzing around. each fly does 1/8 or so of a hp per round, but there are thousands of flies...
and other crazy stuff