BM 

Brewing Mischief

Angela and the other brew crew members are BM in the brew crew gc

BM by Mikebikes March 10, 2022

BM 

Before me

“I got to write 27 sentences about historical events Nah I don’t give 2 fu*ks if it’s BM I don’t care if its something that happened Before me”

BM by It’s.Her_I’mhereYoitzAna October 30, 2023

BM 

Abbreviation for "Best Man", as per S01E20 of Brooklyn Nine-nine.

Charles: Will you be my BM?
Jake: Yesss!

BM by anonymous April 3, 2024

BM 

BM, an acronym frequently employed in the realm of gaming, refers to a particular behavior exhibited when one retaliates against an individual who has displayed disrespectful conduct towards them. This retaliatory action involves reciprocating the same disrespectful behavior. BM, in this context, stands for bad manners, indicating a breach of etiquette or decorum within the gaming community.

Player1: I killed him I'm boutta BM his body.
Player2: Didn't he BM you?

BM by Frostyshark May 4, 2024

BM

A partner that only gives the bare minimum and unironic medical term for poop.

He is a BM that demands wifey treatment.

BM by GaydartheRaydar January 1, 2026

BM’d 

Past tense of BM or a Bowel Movement

"I BM’d in the shredder on new years.”-Meredith Palmer

BM’d by Onion_h8ter October 12, 2020

BM Blowout 

A disgusting assplosion of fecal matter (all forms) occuring whilst still wearing pants. 97% of the time the "Blowout" comes without warning; the proverbial brown-tsunami has been known to hit no matter the situation.
Only three people have died from Blowouts in the past 37 years.

intercom at retirement home: "Would Oscar please report to ward 6 with a bucket of bleach and a tire iron, Beatrice had another BM Blowout."

BM Blowout by the_guy January 16, 2005