packing dacks
You poop your pants because you're so scared it's like your body is screaming, 'I can't take this anymore!' and your brain is just like, 'Yeah, let's do it.'
When your friend jumps out from behind a door and yells, 'BOO!'
When you're about to be called out in front of the whole class.
When you think the school bus is going to crash into a tree.