BSM

Stands for Brother/Sister moment, usually used in the title or description of a fan fiction. Closly related to DDM and usually is a fluffy moment where you are the brother/sister to a fictional character.

I read some really good Sam and Dean Winchester BSM on wattpad yesterday, it made me cry.

by ConfusedCat May 30, 2018

BSM

Acronym meaning Big Strong Man

EX: My BSM saved me from the outraged killers!

by Potatozzz July 06, 2021

BSM

Black Snake Moan is a Dick fiend. A female who's obsessed with penis. She can get enough of sucking & fucking dicks.

Qieona has the illness BSM so bad that she doesn't have to know a guy a day before sucking & fucking.

by Leobulldog February 24, 2022

BSM

Land of weirdos, mostly hockey territory is u dont rock with the hockey players you dont rock at all.

U go to BSM?

Yes but i rather be dead!

by Chicka What?!? April 23, 2005

BSM

Beef starting machine.

You know Katie, she is such a BSM. She kissed her prom dates best friend

Yo Jonny don’t be a BSM.

by lilnarco May 01, 2018

BSM

Short for Band Snatching Movement, which is a South Central Los Angeles-based hip-hop group that was founded in 2020.

Damn nigga, BSM really sum different through these speakers!

by d-rell$ October 28, 2021

BSM

When brandon brown (gay b17) gets aroused by his little sister miley. he also wants to shag her BSM stands for Brandon Shags Miley.

Yo BSM

by ImVeXzy(fuckofff) April 18, 2021