Alien on Snapchat

What it signals here

friend system usage

Sometimes used as part of a Bitmoji or custom profile aesthetic to signal quirky personality

streak use

Rarely streak-specific but occasionally used in streak messages with 'alien friends' context

story meaning

Posted on weird or surreal day stories; used when something bizarre happens IRL

snap context

Sent as a reaction snap when a friend does something completely unexpected or strange

See it elsewhere