15
Abreviation for Bowell Movement (Verb I guess) Certainly not to be used anywhere near to "yo baby's Mama" and one poor sole has suggested.
Eating a balanced diet will result in healthy floating B.M's; not the bowl stanging sinkers most gangsters coil in dimly lit, fetid tiolets.
by Priz Biz Sage June 10, 2005
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug
16
"bowel movement" but in this case used as an adjective when being annoyed for fed up with a certain person.
Ellen has been such a BM lately, shes on my nerves.
by Seamus O'Connell April 30, 2008
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug
17
BM stands for BladeMaster from the popular Bilzzard game Warcraft III.
Crap, TP to my base the fags are BM rushing me!
by DoomsDayPoptart April 21, 2005
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug
18
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.
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.
by Frank G. November 20, 2004
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug
19
shes my bm but shes always tryen 2 control me n shit
by acommitedchurch August 25, 2009
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug
20
a bitch move or bowel movement. context will decide the official definition.
Kayla: Wow that was a huge BM by Claire.
Chris: Do you mean bowel movement or bitch move? Your sentence was pretty hard to decipher.
Kayla: Bowel movement. Claire just took a huge dump.
Chris: But I though girls didn't poop?
by thecabbageninja September 26, 2011
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug
21
say that broad your BM
by SanScuro April 10, 2016
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug