Mutual
What is a mutual on social media?
A person you follow on social media who also follows you
Example
"I was so pumped to discover that Karen is a mutual! We're meeting up tomorrow."

Tweet about that special mutual
Related Slang
Usage
✓ General
✓ Social Media (Twitter)
Last Updated: March 10, 2021
When two people follow each other on social media, they are considered "mutuals." You could say that both people have a mutual affinity for one another.
Mutuals may describe various types of relationships on social media, which include platonic friendships and romantic stanning. Or the relationship may be strictly business if the two are "influencers" chasing clout to gain follows from the other person's followers.
A mutual may also be a person that you like on an online dating site who also likes you. On Tinder, mutuals have swiped right on each other's profiles.