The Gen Z likes to communicate with abbreviations. That is why you can see many abbreviations on social media platforms. Snapchat also has many abbreviations that users use. S is a common acronym on the platform.
What does S mean on Snapchat? The most common meaning of "S" on Snapchat is a streak that references a Snapstreak. This occurs when you and another user exchange snaps with you for at least three consecutive days.