The term used to describe the synergy between Wolverine from the X-Men series and Akuma from the Street Fighter franchise in the crossover fighting game "Marvel vs Capcom 3: Fate of Two Worlds." This pairing is one of the most powerful pairings in the entire game, hence the name "best friends forever."
Man 1: Justin Wong is rockin' that She-hulk/Wolverine/Akuma team into finals!
Man 2: Man, it's the best friends forever. Too bad he's facing off against a Phoenix team; he should have used that Tron for the Level 3 grab and drill assist...
A best friends forever club is a group or 3 or more people that consider themselves best friends. They cant be best friends, cause there are more than 2 of them, so they become a club.
Richie, Jessica, and Andrea are in the best friends forever club. They always sing this cute little song
Andrea : "Best friends forever"
Jessica : "Best friends forever"
Andrea and Jessica : "Best friends forever"
Richie : "Club"
when you're holding up your phone and making faces at it, as though you are taking a selfie, but you're really taking a picture of the person across from you or the wall or anything else that seems interesting but you don't want to be caught dead taking a picture of.
This action is often made more convincing by wiggling the eyebrows or opening the mouth, to pretend you're trying to get a Snapchat filter to work.