Top definition
Pooping directly down someones throat, with, or without their consent.
"Did you see that scat video? The was some grodie brownline action."
by Zibrigsx February 09, 2006
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2
The railway that runs alongside the Hershey Highway.
Ooop, I feel a Brown Line Express coming through...
by connorbd@yahoo.com June 16, 2007
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3
The stain left after a wedgie occurs in undershorts. A brown line results if wiping is not sufficient after a bowel movement or a sudden burst of gas is released unexpectedly.
I hope your mom uses Tide to scrub your brown lines out of your underwear.
by DiegoSantiago June 29, 2014
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Soft and offensive. Just like you.

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