by The office refrence December 10, 2017

Used commonly in online games such as StarCraft, WarCraft, etc.
BM is used when someone is of repeated annoyance and uses such bad language such as "Fuck you", "Damn you", "Shut the fuck up", "Go slit yourself", etc. etc.
In most cases people like this usually need a good kick and a warning.
BM is used when someone is of repeated annoyance and uses such bad language such as "Fuck you", "Damn you", "Shut the fuck up", "Go slit yourself", etc. etc.
In most cases people like this usually need a good kick and a warning.
Gosh, John is so BM. Yesterday he was observing one of my games and he went a fucking nuke rush on me...that is so BM..
Other Guy: Yeah, let's ban him from our channel cause he's done that to me and like 5 other people.
Other Guy: Yeah, let's ban him from our channel cause he's done that to me and like 5 other people.
by Frank G. November 20, 2004

by Didjtal September 2, 2005

BM Stands for:
BM = Big Matthew
BM = Best Mate
BM = Birthday Mood
BM = Be Mine
BM = Big Member
BM = Bowel Movement
BM = Big Meat
BM = Best Man
BM = Brazilian Man
BM = Body Man
And he is the King member of co-ed Korean group KARD.
BM = Big Matthew
BM = Best Mate
BM = Birthday Mood
BM = Be Mine
BM = Big Member
BM = Bowel Movement
BM = Big Meat
BM = Best Man
BM = Brazilian Man
BM = Body Man
And he is the King member of co-ed Korean group KARD.
Somin: BM is sitting in the seat next to me
BM *makes the noise of dishes clanking*
Somin: Oh~ please behave better~
BM: What?
Somin: Told you to behave carefully
BM: I am, it's difficult because my arms are big and legs are long and everything
Somin: Are you hulk?
BM: I'm powerful, Power.
BM *makes the noise of dishes clanking*
Somin: Oh~ please behave better~
BM: What?
Somin: Told you to behave carefully
BM: I am, it's difficult because my arms are big and legs are long and everything
Somin: Are you hulk?
BM: I'm powerful, Power.
by kard_canada November 24, 2018

by DoomsDayPoptart April 21, 2005

the abreviation bowel movement is bm
by better off May 1, 2006

1. Bad manner. The opposite of GM, and most often used in reference to online gamers. Generally refers to someone who is acting like a dipshit, or cheating.
2. Black mage. A lovable psycopathic killer who stars in 8-bit-theater.
2. Black mage. A lovable psycopathic killer who stars in 8-bit-theater.
1. Don't play with him, he's a BM maphacker.
2. The only reason BM kills children and lets their parents live, is to be excesively cruel.
2. The only reason BM kills children and lets their parents live, is to be excesively cruel.
by bonekill January 7, 2005
