Mugprint 

The very definition of raw unfiltered chaos, an unhinged Good Boy™, if you will

Ayoooo! Mugprint, you chaotic dingus!

Mugprint by Devious lurker December 16, 2022

mudprint 

Any impression or print left after taking a dump in your pants and then sitting down on a bench, chair, stump, etc.

Jason couldn't make it to the toilet in time before crapping in his pants, he then sat down in embarrassment only to walk away hurriedly leaving his mudprint behind.

mudprint by JackWagon12345 July 19, 2014