BSB 

Means (B)itch (S)ince (B)irth

Makayla Yoo so fine

BSB fashoo

BSB by BitchSinceBirth March 30, 2020

BSB 

Bsb is a coffee type that stands for bullshit bitch.

I love Bsb coffee and strongly recommend it to you!

BSB by Livelifelove April 4, 2020

BSB 

Backstreet Boys

My mom is going to BSB's reunion tour.

BSB by SplishSplash April 7, 2020

BSB 

Best shitting buddies.
This a term used for best friends who shit together (usually while texting), and you know what they say: Those who shit together, stay together.

"What are you doing right now, Hyun?"
"I'm taking a shit wby?"
"Omg, same! BSBs!"

BSB by gaybestfrient May 2, 2020

BSB 

Butt Sex Brennen. I sweet dude that lies on occasion to his friends to sneak off and do butt stuff with anyone and everyone. An anal fetishist for the ages

Oh damn, it’s buttsex Brennen over there! Hey you said you were staying home tonight and now I see you’re just ramming holes!!! Wow, BSB... you’re truly Baron vonButtsex

BSB by DonHippo July 22, 2020

Bsb 

Back Seat Boyz

All of us are BSB’s.

Bsb by maimai2000 November 5, 2020

bsb 

big stinky baby

dude. by the way your acting rn, ur being a bsb.

bsb by bigstinkybaby September 26, 2021