Internet persona(s) who happens to follow you and you happen to follow them back and maintain communication with and have a mutual liking for eachother whether it be friendship wise, etc. (Mutuals if more than one mutual)

When you follow someone on a social media account and they follow you back.

a term usually used on twitter or instagram, someone who you follow and they follow you as well.

When you follow someone and they follow you as well on instagram/twitter.

feeling the same way

Having a wank with a friend or group of friends.

When people agree on something