Abriviation for snap back
Usually found on Snapchat when a user wants you to snap them back
by Kate1303 October 16, 2017
Get the Sb neck gaiter and mug.
SB Means Sidebar. So if they post something they can use "SB" to say something else
I look soooo pretty in this picture 😍
SB: I know my hand looks crippled.
Get a Sb mug for your daughter Rihanna.
The chemical symbol for Antimony, a toxic heavy metal.
Person A: Did you hear about those Zhu Zhu Pets?

Person B: Yeah, i hear the kids are going crazy over those things.

Person A: Dude, they've got Sb in them.

Person B: WHAT?! ANTIMONY?!?!?! First the baby toys with lead paint, then the McDonald's Shrek glasses with cadmium paint, now ANTIMONY in KIDS' TOYS?!?! Is ANYTHING safe anymore?!?!

Person A: Dude, calm down. The old lady in the apartment below us is banging on the ceiling...

Person B: Oh... Sorry Mrs. Jenkins!
by H3X0 July 01, 2011
Get the Sb neck gaiter and mug.
Snap back. Usually said at the end of a snapchat someone sent you. They want someone to start a conversation with them by snapping them back.
Person 1 on snapchat: streaks sb
Person 2 on snapchat: hey how you doing? Xx
by Defining.ur.issues April 15, 2017
Get a Sb mug for your coworker Jerry.
If somebody uses "Sb" on snapchat it'll mean "Snap-back". So as an example
Oi who wants to go to our friendly neighbour hood paracetamol dealer tommorow sb (snap-back)
by Anonymous Garage Door December 09, 2016
Get the Sb neck gaiter and mug.