It's embarrassing to poop your pants while driving your car.
Lee was driving his friends home when he realized that he had a stomach ache.
Lee wants to use the bathroom.
Lee waits until he gets to his friend's house to use the restroom.
Lee evacuates his bowels while he is still driving on the road.
Lee's friend's tell him thank you for driving them to their house.
Lee's friends start to laugh and gag at the smell in the car.