finsta

An Instagram mainly for friends. You would have a finsta to post things you wouldn't want just anyone to see. For example, your grandma or an employer.

Hey what is your finsta?

Umm...@selenagomezfin89
K. COOL... found it.
Yeah?
Ooh you like JB? Why didn't you post this on your main?

Issa finsta, dude.