bm

n. Black Metal

I have never heard or seen it been used any other way.

Anaal Nathrakh is very cult bm.

No, dumbfuck, Marilyn Manson is not bm.

by Blasphemer_0 February 9, 2005

bm

whoever the fuck said babys momma is a dumbass, its birth mother

Although living with her father and step-mother, her BM is still alive and living in LA.

by ryan September 6, 2004

bm

bowel movement. take a shit.

I have to take a huge bm.

by Adrian January 20, 2005

bm

A) blow me
B) big mouth
C) bowel movement

A) bm right here and now
b) you have such a bm
c)ur bm smells like shit!

by Celebshadow112 January 14, 2010

bm

An acronym for "butt mud," feces that are excreted from the body.

"There's bm all over the place, it smells bad.

by Nateoo March 17, 2010

bm

a big man ... short for big man

fuck! look over there
what
that bm
OH SHIT

by mitch_bullo August 27, 2007

bm

"best mate" used to describe ones best friend

"Anton is looking forward to half-price pizza and a nice hot horlicks with his bm! :)"

by skyion April 5, 2009