Fountain Pen on Snapchat

What it signals here

friend system usage

Less common; used to indicate sending a heartfelt or 'written' snap, or to signal a journaling personality.

streak use

Rarely used in streaks; might appear when someone wants to keep a 'literary' or aesthetic identity on their snaps.

story meaning

Used in stories showcasing notebooks, journal aesthetics, or handwritten content.

snap context

Signals the sender is sharing something creative or thoughtful rather than casual.

See it elsewhere