SB

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

Friends story: snap for tbh SB
Me: me
Friend: tbh you a stank hoe now SB
Me: tbh yo pussy smell like the Nova Scotia pier

sb

in terms of snapchat, sb means ‘snap back’

streaks sb =streaks snap back

Sb

Somebody

Will sb please call me, because I’m bored

SB

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.

A is singing in the midnight
B: You are the person between SA and SC.
A: SB,watch your mouth!
B: STFU SB!
A: Screw your sister SB!

...
C: Look! Two SB are talkin bout SB!
D: WTF? Scientiae Baccalaureus ??
E: ...the World is full of SB !

Sb

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.

SB!

Abbreviation for "SO BAD!" Used when someone does something that is very dismal, or something that causes undesirable effects to someone happens.

CHOWDHARY: "I broke my ankle because I fell down the stairs."
CONG: "SB!"

sb

Soft block. When you block and then unblock someone so you don't follow each other anymore

Jane: I'm going to sb anyone who follows Ariana Grande