Hadron Collider
When one person poops into another person’s waiting butt, and now both of them have two logs of poop inside their butts.
My brother pooped into his friend’s butt and now they both smell like a garbage can.
At the park, two kids sat on the swing and one of them pooped into the other’s butt and now they’re both running away.
My mom sat on my dad’s butt and then pooped into it, and now both of them are screaming.