When you fail at cleaning your penis fully after pissing
Ben: Aww shit man
Tim: What!?!
Ben: I fucking pee wee herman piss myself!!!
Tim: Wtf-
This means that everyone needs to poop and pee in their pants, especially those who have their birthday on 19 November.
If they don’t do it on 19 November: Poop and pee in your pants day, you can slap their butt.