Someone who is more than an acquaintance, but less than a
friend. Usually someone you share a mutual
friend with, but are never invited to hang out with them and your mutual
friend.
Hey, did you hang out with everyone from high
school during break?
Nah, they all triflin' subfriends smh.
acquaintance
friend subfriend fake
friend petty high schoolers petty college freshman high schoolers college freshman