Using a bathroom like civilized human not a chimp with a case of irritable bowel syndrome should be a simple task. The keyword being "should."

 

1.

wtf bathroom signs

Source: imgur

2.

wtf bathroom signs

Source: dumpaday

3. 

wtf bathroom signs

Source: awwsauce

4. 

wtf bathroom signs

Source: imgur

5.

wtf bathroom signs

Source: imgur

6.

wtf bathroom signs

Source: houseplan