Wilst deficating, if your stall-mate is being quite vicious, (loud), you would pull a piece of the fecal matter out of the toilet and chuck it over the wall wilst flickering on and off the lights shouting "AIR RAID!" and running for shelter down the "Women's Hygene" aisle, where they'll never look for you.
Noun: A way of waking a sleeping person by spreading your ass cheeks while pressing your bottom up against the sleeping person's face and either farting really aggressively or defecating. The noise and smell this creates should be just as shocking and affective as the Nagasaki Atomic Bomb--the slumbering person will awake violently!