bm

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