background friend 

If you are a background friend:
You don't fit in with any particular group of friends.
They are all closer with each other than with the background friend
People who you think about a lot, but feel don't think of you very often.

I'm background friends with people in a large group from my favorite school/pub/university

background friend by Sotapana June 16, 2019

background friend 

Someone who's friends with lots of people from different friend groups but isn't necessarily confined to one, typically an ambivert, sometimes the center of attention but also gets left out often, never asks for help, doesn't really know whats going on sometimes, and doesn't really have a best friend in their friend group since everyone has their own best friend in that friend group but copes with that by considering everyone in their friend group their best friend.

friend: Have you seen Myles? He seems pretty off today, he's really quiet today.
another friend: It's alright he's probably texting that other kid. After all he's just the background friend.

background friend by nurwal12 October 28, 2019

Background Friend 

A friend that only exists in the background, like a background character. Similar to an extra on a movie set, they mainly fill space and feel sad.

Main Character: Nah don’t invite her, she’s just a background friend.

Background Friend by BackgroundFriend December 5, 2023