A spam Instagram account where people post what they are too afraid to post on the real account

A finsta is a combination of the words Fake & Insta(gram). When people have a finsta they post pictures they only want their closest friends seeing instead of their regular instagram(rinsta)followers to see. Usually a girl has a finsta and boys arent supposed
to follow it. Finstas arent supposed to be taken seriously and it doesnt matter how many posts or followers you have. Finstas are mainly kept private and have funny of clever usernames.

A fake instagram account, so one can post ratchet pictures without persecution from sororities, jobs and society as a whole

short for "fake instagram". used for ugly selfies, memes, inside jokes, etc. Usually has humorous names as the username, such as a misspelling of users name.

When white bitches make second Instagram accounts to show the world "who the real (insert name here) is"

An Instagram account in which is a 'fake insta'; most people with a finsta also have a rinsta, a 'real insta'. They post funny pictures of themselves or long rants and the people that follow them are very selective; the username is usually funny

a fake instagram account allowing you to post anything you would like without criticism anonymously to everyone except for people you talk to and trust