How close you can come to shitting yourself, without actually shitting yourself. Usually caused by explosive diarrhea.
I almost crossed the brown line this morning, I Just managed to get my pants down and take a seat before I decorated the Oval Office
by Choppasm April 12, 2023
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"Hey, you wanna go grab a drink?"
"Alright, but I gotta crap first. The brown train has reached the end of the line."
"Alright, but I gotta crap first. The brown train has reached the end of the line."
by crouchingtiger August 6, 2012
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