You should not use urinals for things other than peeing.
Rick is waiting in line for a restroom stall to open up at a busy sports venue.
Rick needs to poop.
Rick sees a restroom door open and uses the stall to defecate.
Rick sees a urinal nearby the stall doors and decides to use it to defecate.
Rick is relieved and goes back to his seat to enjoy the game.
The men in the restroom get angry at Rick and push him out of the venue while swearing.