It's that look you get from somebody who enters the restroom as you are exiting after having dropped a particularly smelly dump.Many times the unsuspecting victim will stop dead in their tracks as if they had walked into an invisible wall.They may even be taken aback a step or two. The matter is further complicated if the victim is a friend or acquaintance. Future relations will certainly be diminished because you will always be associated with the smell of your shit.
The principal walked into the men's room just as I flushed my mess. The glare of disgust told me I may not graduate this year.