SB 

an acronym created by two teenage girls. originally named to mean "Spoiled Brat", but now can mean anything from "Splattered Brains" to "Shitty Bitch" to "Shi Bal". Refers to a certain girl whose initials are A.M.K, but can be used by anyone to name any similar poser-like bitch.

"There was that one time when SB dragged me on a date with her fat boyfriend and lied to her mom that I was with my 'boyfriend' too, OTL.

SB by herebutGONE December 28, 2009

SB 

Spring break

As a caption on instgram... SB2k17!!!

SB by Unitedneptune91 March 22, 2017

SB 

Stands for Stop Begging, normally used for rejecting someones request for something.

Yo, Mr Hepperwhite, SB

SB by Pingu Potter April 22, 2017

sb 

Snap back. When someone on Snapchat puts on their story or sends you a "sb for a rate" its means they will rate you from 1-10 if you snap them back

Friends story: sb for a rate 😙
Me: ( snaps them back asking for rate)

Friend: 5/10

sb by Georgieoooo July 19, 2017

sb 

Snap-back.

Someone sends you a snapchat and expects you to snapchat them back and start a conversation.

Person A: "Hey Person B, what's up? sb"
Person B: "Hey"

sb by darkest moments April 19, 2018

SB 

Soulbound. Soulbound is an item that you cannot give or trade.

The Rotmg Spooky boi dropped a SB!

SB by LolSomeGup October 6, 2017

Sb 

Sb - snap back

"Streaks//sb"

Sb by bri455 October 28, 2017