It is unacceptable not to flush after using the restroom.
Larry is at a party when he feels the call of nature.
Larry wants to return to the party quickly.
Larry uses the rest room and flushes the toilet multiple times to make sure everything went down.
Larry uses the toilet quickly and then leaves without flushing.
Larry enjoys the rest of the party knowing that he was respectful in his friend's home.
The host of the party calls Larry out on his poor manners and embarrasses him.