BM

Abbreviation for Bitch Much?

Used in chatrooms and discreetly in person.

Person 1: You did you hear what Shelly did this morning?
Person 2: I know! BM?

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BM face

A defeated look of consternation, dissappointment, or even pain. The name derives from the look one often gets whenever challenged by a large BM.

When Jerry was released from his job after 20 years of employment, he got BM face.

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reverse bm

To be taking a huge shit, usually diarrhea. If you snezze suddenly, and all the shit comes out of toilet, and fly's back in your ass.

Phil ate at that shitty grease pit last night. He was taking a huge shit and accidentally sneezed, and he reverse bm all up in his ass!!!!

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Pulling a BM

Showing up late for work and/or working from home and performing only tasks other than the ones you are being paid for while exuding a generally demotivational attitude.

That damn Slacksquatch is Pulling a BM again, he breezed in at 10:30AM and has done nothing other than consume perfectly good oxygen and a gallon of Diet Coke.

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BM Surprise

A fart with a lump in it. See also Hershey Squirt or Skidder Dribble.

Todd went to break wind during dinner and caught a little bit of Wind Pudding otherwise known as a BM Surprise.

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the bm scene

A scene in which Sam and Dean Winchester are sitting outside, or leaning against their car talking to each other about something emotional.

Person A: Hey did you see the last episode?
Person B: Yeah, the bm scene was really emotional.

BM thunder

Loud pooping in a public restroom.

Logan's BM Thunder could be heard three stalls over.