An acronym used for the term, “bowel movement”. A BM is the action of releasing waste from the insides of your intestines. Also known as pooping, shitting, deucing, dropping a fat one, etc.
by Trident of Treason August 16, 2018

by Anabsolutesimp November 28, 2020

Verb
Meaning “Bitch Move”. When someone does something that effects one or multiple people in a situation.
Meaning “Bitch Move”. When someone does something that effects one or multiple people in a situation.
Example:
Friend 1: “Hey Lia want me to set you up with my friend Dan”
Friend 2: “Yeah sure” * Proceeds to fuck a random guy named Justin*
Friend 1: “Wow Lia that’s a real BM”
Friend 1: “Hey Lia want me to set you up with my friend Dan”
Friend 2: “Yeah sure” * Proceeds to fuck a random guy named Justin*
Friend 1: “Wow Lia that’s a real BM”
by Pan pan industries July 28, 2019

f_lim(bms): the limit function applied to the Bashicu Matrix System — a symbolic operator that yields a number of absurd, system-dependent size (already beyond ordinary fast-growing hierarchy values unless the BMS definition is carefully bounded).
by Xenongenesis September 17, 2025

BM is the meaning of a termonalogy used In Fortnite by many non-popular players.
BM can be said to be used as before masterbation
BM can be said to be used as before masterbation
I BM my dad
by Hector ofometa February 24, 2019

by panamacanal January 6, 2022
