Abriviation for snap back
Usually found on Snapchat when a user wants you to snap them back

A celebrity free pass is an agreement between you and your significant other that if you meet said celebrity and there is an opportunity to sleep with them, your partner cannot get mad at you for doing so because you had agreed before hand that this person was your celebrity free pass. It is ideal if both of you in the relationship choose a celebrity free pass so that the playing field is even.

It means Snap back, referring to when someone says snap for tbh (to be honest) and they want one back.

noun. (pl. same) also,S13
Comes from a Chinese words

Pronounces Sha bi,means "Stupid Bitch".
In fact, Sha = 傻(stupid),Bi = 屄(pussy).
If you play online games in China or chat with some Chinese lowlives you'll see it many times.

SB Means Sidebar. So if they post something they can use "SB" to say something else

South America/Spanish/South Carolina/Southport Beak - a form of cocaine originating from a specific location starting with S - strength may vary according to region

SB (Small Boto)- a person who cant do work and forwards messages . Someone who has to ask another person for help when trying to get at a chic .