When you're taking a shit in a public restroom and the size, mass, or shape of the shit is such that is causes an updward splash that reaches the genital or anal area.
bidet
A small low basin with taps, on which a person sits to wash their genital and anal areas.
Dan was using the restroom at Dodgers Stadium, and he dropped an ass bomb so large that it was like he was using a poor man's bidet.
This is the term for what happens when someone uses a freshly cleaned Porto Potty to have themself a BM and the turd hits the blue water and splashes up on their nether parts.
The best way to avoid the Poor Man’s Bidet is to unwrap a new roll of TP and carefully place the wrapping on the surface of the blue water like a little landing pad. Then bombs away!
Someone or something that bites your ankles.
To a postman, an ankle biter is often known as a dog.
To an adult, an ankle biter may be a toddler.
To hikers, an ankle biter is sometimes a tick.
And so on.