Hmmm, my sister pee'd on my homework, I wish I'd thought of that when I was at school.

I don't have any stories of my own but my friend once went in for her last pre birth examination and had no choice but to take her 3 year old daughter with her. During the examination the nurse used some kind of lubricant on her and on the way back out of the hospital the daughter saw the same stuff on the counter, point's at it and shout's out in a loud voice "THAT CREAM UP MUMMY'S BUM!!!!"

I nearly pee'd myself when I heard that one.