Pocono streak
When you do a poor job of wiping your ass after a big shit, and you're left with a stain in your underpants that looks like an aerial view of a mountain range.
"Bro I only had 1 sheet of toilet paper left, I got a huge Pocono streak in my boxers now"
"I accidentally sharted in my pants and now I have a Pocono streak to clean up"
"I accidentally sharted in my pants and now I have a Pocono streak to clean up"