World Toilet Day, which falls on November 19, is a day to raise awareness and inspire action to tackle the global sanitation crisis – a topic often neglected and shrouded in taboos.
If you've ever used a public toilet, contemplating life and deliberating time, and then looked up, you've more than likely spotted some grafitti.
While a lot of them can be vulgar, you occasionally stumble on some hilarious comments.
Here are a few: