Having a family of 8 meant plenty of bathroom humor in one form or another. Essential was the regular cleaning of the premises....in all of the bathrooms, particularly since 3 of my children were sons.
Well, my middle daughter had "bathroom duty" for years, and finally in desperation became creative in her attempts to gain cooperation from her not so careful brothers.
Following are three of the posters she hung on the bathroom door:
Your aim will help.
and yet another...
Posted: No Swimming!
Sign at a municipal swimming pool: