Brown Unicorn 

Term coined on "The Dan LeBatard Show with Stugotz"

Brown Unicorn sounds like something you would find on Urban Dictionary.

Brown Unicorn by TheTruth1379 August 4, 2016

Brown Unicorn 

When one straps a dildo to ones forehead and bangs another in the ass. Neighing and frolicking in the process.

Sven worked the brown unicorn on my turd cutter like Legend last night.

Brown Unicorn by abz to the rock July 2, 2011

Brown Unicorn 

The sexual act of sex with the breasts in which the female lays down on her back while the male, facing her feet, proceeds to fuck her tits, rubbing his bum hole in the female's face. For extra pleasure, the woman's nose can be used to stimulate the man's anus.

If you perform the brown unicorn, you are a dick.

Brown Unicorn by Neil Tuuri November 9, 2008

Brown unicorn 

When a male does anal and there’s a slight trace of fecal matter on the penis. Then the female blows the male before the fecal matter is washed off

Hey I got a brown unicorn by Alex

Brown unicorn by Berry Licker 69 April 16, 2018