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Bitter Single Bitch: A woman who hates on other woman with companions due to the fact that they are bitter and insecure. These creatures will do everything in their power to break up every happy couple that they can by lying, spreading rumors, deceiving, manipulating, etc.
Tom: Cindy's friends are some BSB's man I can't believe they tried to break you guys up.

John: I know man, but that's the life and motivation of a BSB so what do you expect.

Tom: You're right. BSB's...smh
by Rey90 December 07, 2009
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2
BSB-Backstreet Boys, popular five male vocal worldwide.
BSB fanfiction, "I'm a BSB fan!", "BSB is the best group."
by Dani January 08, 2005
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Big.Sexy.Brain. All of the intangible reasons you find a person sexy. Their laugh, their smarts or their sense of humor. BSB can even be attributed to being attracted to unconventionally attractive people/elements of a person.Their freckles, or red hair, or their chubbiness. BSB is an unconventional thing that attracts you to someone else.
'That guy over there has BSB.' "The one with the freckles? Oh yes"
"I'm attracted to them because of their BSB."
by Emelie Courbois May 10, 2018
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The online abbreviation for "Brooklyn Steam Bath". Useful for when you're in a hurry.
superstud123: dude, brb, i need a bsb bad

superstud456: whoa, you must stink in brooklyn
by Merek1213 July 20, 2009
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6
A shorter way of saying British Soft Boy
These types of guys usually have brown hair, tall, usually white, obviously from the uk and just in general the most sweetest person ever. Mostly actors who are aged 20-25 are the typical British soft boy.

(I would say this in texts instead of irl..)
A: Did you see Alex Lawther in The End Of The F****king World?! He was amazing!!

B: Omg yess!! He’s a BSB

A: A what??

B: A British Soft Boy <3
by 0ceanFrank January 30, 2019
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7
Big Sum Bitch

When someone is so big and can't get out of their own way but you don't have time to talk to them so you just call them BSB
Craig is such a BSB. He wouldn't move last night.
by Firefighter5858 September 08, 2016
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