a shit enema - A shit enema is when you take a big pile of poop and shove i

A shit enema is when you take a big pile of poop and shove it up your ass just because you can.

I did a shit enema at work and my boss thought I was sick.

My friend did a shit enema during our road trip and it made the whole car laugh.

My dog did a shit enema in the backyard and it was a mess.