Waving Hand on Snapchat

What it signals here

friend system usage

Sent to new friends as an introductory snap or used when someone appears on 'Quick Add' suggestions.

streak use

Sometimes used to maintain streaks when users have nothing specific to say — a visual 'I'm here'.

story meaning

Posted on stories as a casual check-in or re-introduction after a period of inactivity.

snap context

Used in snaps with front-facing camera shots literally showing someone waving at the camera.

See it elsewhere