bsg 

Battestar Galactica - Used to refer to either the cult sci-fi show in the 70s or the sweet new one that began in the early '00s.

BSG is on right after Atlantis Friday nights on Sci-Fi.

bsg by Steve H. May 22, 2005

BSG 

To continually lie or mislead a group or audience of people to their faces.

You're manipulating me like you're BSG

BSG by EachWord June 24, 2023

BSG 

a group of fake banging bloods . they’re not about nun and get bitched around 24/7 . unknown made up ass gang .

person 1: do you know bsg ?
person 2: no,, what’s what?
person 3: they’re some pussy niggas .

BSG by BSGK February 28, 2021

BSG 

St.Louis gang started in August of 2019 by Malachi Allen which stands for baby shoota gang

Damn bsg str8 coming up

BSG by BSG Huncho August 26, 2019

BSG 

Big Sweaty Girl

That lady at the store was a BSG.

BSG by clf829 June 4, 2010

BSG 

bitchy straight guy: a guy who comes off as a malicious, meddlesome, douchey and talks behind any and everyone's back but who is actually straight

Girl 1: omg, that guy is such a BSG
Girl 2: which guy?
Girl 1: that guy there, Spencer Pratt!
Girl 2: ohh yeah totally

BSG by mishthinksUDiscool January 14, 2010

bsg 

Acronym for Bangin Sexy Girl.

Hey man did you just see that bsg leaving that shop, I going to try and get her number.

bsg by Kiran A August 20, 2009