Buddy Bop is a social networking site that Avery and Tyler use to chat with their friends online. It is a spoof of the real social network website Facebook.
It may be a parody of Snapchat because Avery Jennings mentions that she is getting a lot of Bops. On Snapchat, people send you snap's and her Page may be a parody of My Story on Snapchat, but the jarring notification sound and Ellen and Bennett's worries may make it a parody of Discord.