#BSB

Butt Sex Batman

A: hey isn't the weather nice today?
B: #BSB

A. are you asleep?
B: #BSB

basically in any context you damn well choose.

by jagerbalm April 22, 2020

BsB

Bathing suit Body, a hot body when one wears a bathing suit, preferably 6-8pack abs and an over all well defined torso.

It's only Februrary, but i'm going to the Bahamas this summer, gotsta work out to get my BsB.

by Don't Worry bouts it February 13, 2008

bsb

when a girl tells you that she had sex in the back seat of another persons car and does it rapeatedly (back seat bitch)

friend 1:i shag a guy in his car last nite
friend 2:you such a bsb

by tynan09 December 16, 2007

bsb

Bad-sequence-of bitches; when a group of girls walk by and every single one of them is unattractive...

"Hey that was a long bsb."

by Mallott January 21, 2008

BSB

bum suck boy (BSB). basically, when a boy sucks bum by putting a straw in the anus and sucking to give maximum pleasure to the guy sucking.

adam is being a BSB, he stuck a straw up his boyfriends bum to suck it out.

by AdamWa June 28, 2010

BSB

Back stabbing bitch

That's really messed up that you helped that girl out by telling her, her friend was talking shit about her .. and she went to say it was none of your business then talked crap about you what a BSB

by tellabitch April 18, 2018

Bsb

Bestie since birth. Someone u have known since birth or for as long as u can remember. U have always been there for each other and always will be. Can be boy and boy, boy and girl, or girl and girl

Girl #1: ugh I miss jack, he’s my bsb, can’t believe he had to move away

Girl#2: girl I may have not known u since birth but honey I will be here for u

by Happyhour101 August 20, 2018