20. No Ball Playing
![](https://cdn3.whatculture.com/images/2014/02/ball-playing.jpg)
Good effort, dude! Not quite what the sign had in mind, but you've certainly got balls!
19. No Smoking
![](https://cdn3.whatculture.com/images/2014/02/psy-smoking.jpg)
Even celebrities rebel against signage! Go Psy!
18. Private Property: No Trespassing
![](https://cdn3.whatculture.com/images/2014/02/trespass.gif)
If you're going to trespass, do it with style. The glasses, fake nose and moustache ensure that's the case here. Textbook stuff.
17. No Pets Allowed... All Pets Must Be On Leash
![](https://cdn3.whatculture.com/images/2014/02/sign-ignores-sign-pets.jpg)
Here, we have one sign completely ignoring another sign. Brilliant!