poop insurance
When your pretty sure it's just a fart, but you're gonna push that thing out with some force, so you sit down on the toilet just in case some poop's gonna follow
Guy 1: Hold on, i need to change my pants
Guy 2: Why?
Guy 1: I decided to go without poop insurance and ended up shitting my pants
Guy 2: Why?
Guy 1: I decided to go without poop insurance and ended up shitting my pants