pfp trend
When a group of friends, usually on a discord server/groupchat or on tumblr will wear matching profile pictures regarding a famous tv show, anime, or other type of media. Other people will then possibly see those with matching icons and join them, making it a trend.
Guy one: “Did you see their naruto profile pictures?”
Guy two: “Yeah, I think they’re doing a pfp trend. Want to join them?”
Guy two: “Yeah, I think they’re doing a pfp trend. Want to join them?”