A stain on a persons underwear from shit. This normally happens to a heavyset person.

This usually happens by:

1.) Farting too hard
2.) Not wiping after a soupy shit

This can be embarrassing.

Guy 1: LOL did you see that guys shitstain when he was changing!?
Guy 2: Yeah!! It was disgusting! He must have been farting too much.

shitstain by MarkMan641 November 26, 2011

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Shitstainer

A person with an unusually large buttocks and/or rectum that continually leaves fecal stains on the toilet seat after evacuating their bowels.

Don't go in there after Brian ... he's a fucking Shitstainer

Shitstainer by pcicc December 26, 2016

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shitstain

An utterly objectionable, despised individual, especially one whose personality is compounded by subnormal intelligence.

Lyle Wright is a shitstain on the ass of the human race. That sawed-off cum-sucking fuckhead would make a good cop.

shitstain by fingerman December 29, 2004

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shitstank

The smell a hobo makes.

"Your shitstank powers are overwhelming I'm shutting down now."

shitstank by Shin Mega December 14, 2008

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