walkaway
When you take a shit and know as soon as you pinched off the last loaf that there is no need to wipe. Not even a courtesy check. Get up, pull up your pants and continue with your day. Not possible after a night of drinking, mexican food or a three gallon enema. 
"Wow, I cant believe that was my third walkaway today" he exclaimed to his girlfriend right as she started to go down on him. 