I must confess. When I was really young in Elementary school, I lived with my grandmother, and my uncle (who was 17 at the time) and he constantly took very long showers and one time I really had to use the bathroom and he had just gotten into the shower, so in pure anger and spite, I peed on his bed.
I must confess in nursery (Pre school) me and my cousin flooded all the bathrooms and made the kitchen where they made breakfast need to be fully restored,, basically rebuild!