#1 craping yourself. laying shit in your trousers. drop a loaf of shit in your pants.
#2 scared the crap out of yourself.
#3 so amazed you shit yourself.
Then, after busting a loaf I about browned myself again when the door on the unit wouldn't open. All I could imagine was the look on some chaps face in the morning when they show up and let me out with my box of deux.