Mr. Brownstone 

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"

"We Been Dancin' with Mr. Brownstone
He's been knockin he won't leave me alone"

Mr. Brownstone by StraightUpWestSide June 27, 2005

Mr. Brownstone 

Heroine and/or shooting heroine.

Slip your arm in a bindle and fill your syringe with Mr. Brownstone.

Mr. Brownstone by C. Filipe Medeiros May 22, 2005

slam-dancing with mr. brownstone 

guns n roses slang for doing heroin

...HEROIN SHOOTAGE BIOTCH

"hey, where have you been?"
"slam-dancing with mr. brownstone in the 7/8 bathroom"
"yeeah man! damn, share the goods i need a fix"

slam-dancing with mr. brownstone by geebongee June 21, 2006

dancing with mr brownstone 

Dancing with Mr.Brownstone refers to doing Heroin. There is also a song about this by an American Rock group known as Guns N Roses.

We've been dancing with Mr Brownstone he won't leave me alone drugs heroin guns n roses rock america Dea

dancing with mr brownstone by Kervy May 1, 2015

Mr Brownstone

While having anal sex you cum inside your partners anal cavity then perform oral almost instantly sucking out your own semen only to kiss your partner to put it in their mouth.

I fucked Tina last night and gave her the Mr Brownstone!

Mr Brownstone by Mr brownstone September 19, 2021