A person who has placed his penis in another persons rectom. Most of the time "brown stick" is refering to a homosexual male.
by BIG NUTS January 11, 2005
by Lamont October 28, 2003
Your sister is a nasty bitch. She had to shit all day and waited till after I fucked her ass. Now I have a brown-stick.
by Rob October 30, 2003