What else does SB mean? Short for snapback, SB is used on social media platform Snapchat for when you want a user to respond back to a snap, or “message.”

What does S SB mean on Snapchat?

Quite simply it means: "Send snap back." If someone sends you a Snapchat photo and they attach "SSB" to it, that means they want you to return the favor.

What does the acronym SB mean?

sb. written abbreviation for somebody or someone. SMART Vocabulary: related words and phrases. Someone, anyone, no one or everyone.