When lower gastrointestinal distress is relieved in the bathroom, and the resulting semi- to fully- liquefied remains and flatulence leaves a lingering odor long after the person has left the bathroom
When one had to defecate and the after effects smell as tho one had an animal crawl up there ass and die. Generally it smells like a rotting carcass.
Another name for blew up the bathroom.
Jon: "Holy mother of god, Don! Did a skunk crawl up your ass and die?"
Don: "Naw, Jon, i just nuked the bathroom."
Jon:"Dude, go light a match or use some air freshener or somthing. The smell damn near killed me!"