It's inappropriate to relieve yourself in dressing rooms.
Tommy is trying on jeans at the mall when suddenly he gets the urge to pee.
Tommy wants to relieve himself of the urge to pee.
Tommy leaves his clothes in the dressing room and asks the salesman if he can use their bathroom.
Tommy decides to pee onto the dressing room floor since no one can see him.
Tommy is relieved and can resume trying on jeans.
The salesman hears Tommy peeing, and calls mall security.