A dark variety of sandstone, much used for building purposes.
A row house built of brownstone; reddish brown in color.
A reddish brown sandstone; used in buildings.
a bowel cleansing poop, that makes you feel all sorts of classy. Types of Brownstons: The General Brownston, Major Brownston, The Presidential Brownston, and last but not least the Monumental Brownston
Getting invited to a dinner party at a well-connected person's house and waking up groggy in bed with a naked underaged girl (or boy) for blackmailing purposes.
Means Heroin and is also a famous song by Guns N Roses on their debut album "Appetite for Destruction". When they are saying "Dancing with Mr. Brownstone" it means they are "Shootin Heroin"