box office smash
When you take a shit so massive the toilet gets blocked.
Originating from 'box' being used to describe a toilet - ie shit box.
Originating from 'box' being used to describe a toilet - ie shit box.
Jethro: Wow dad I can smell that from my bedroom!
Dad: Right on Jethro, I just did a box office smash!
Dad: Right on Jethro, I just did a box office smash!