When a World War 2 Australian pilot shits himself, ejecting fecal matter and animal semen into the cockpit of his plane, while being chased down by a Japanese pilot in the skies above New Guinea after having sex with a wallaby. This action turns the entire canopy of his fighter brown in color.
Rei Sen 1 to Rei Sen 2, that limey yellow toothed criminal just shat his pants! I got a Brown Aussie at 1 o'clock!
by Rodney_Sexfart November 27, 2013

Adj. A term used to describe a person of unknown, mixed ethnicity. The individual may or may not be part white.
"Dude, that girl must have some black in her, look at that ass!"
"I dunno, bro, she's just sorta nonspecifically brown..."
"I dunno, bro, she's just sorta nonspecifically brown..."
by Sophistahater March 11, 2009

"I was on my way to work and some dope in a semi almost ran me over. I thought I was going to brown the runway"
by @WeMoveTheMasses October 20, 2012

a brown mountain is when you shit on someones head and sculpt their hair into a mountain with the shit
by jarik algrich May 24, 2009

The action when you stick your finger in your asshole and then make a mustache on someone else's face.
by Psychoholic July 14, 2014

a magical place you visit with special friends, that rarely any of the involved parties will fully remember.
by BrownMileTourGuide February 20, 2020

by Trader1933 January 15, 2017
