splatter matter

When you have an explosive poop and leave remnants behind in the toilet bowl that flushing alone will not remove.

Dude! You left splatter matter all over the toilet.

Splatter the matter

Diarrhea; The Shits

“Bruh! My tummy started rumbling in church so bad, I barely made it out of there and into McDonald’s next door to Splatter the matter.”

Splatter of matter on the wall

a euphemism for "shit hits the fan"

Get your work done early in case of a splatter of matter on the wall.

Bro, my dog got out and now I'm not gonna finish this on time.
Dude, rule #1 always prepare for a splatter of matter on the wall! Why you do me like that yo!!