Don’t be rude, you little twits. Some adults could still stand to learn these, actually.
When the toilet paper runs out, replace it.
Don't leave the person after you to fend for themselves mid-squat.
Source: pleated-jeans.com
Chew with your mouth closed, so people don't think you're a disgusting monster.
Source: imgur.com
Knock before opening a closed door.
Unless you are a creepy pervert, in which case—ignore this advice.
Source: imgur.com
No one wants to see your pee-water, child, so put the toilet seat down.
Have some self-respect.
Source: imgur.com