the 9/11 flight crew is a iconic group of six teens whos hobby's include; bullying kids on roblox, making offencive memes and taking about people on zoom as they are all internet friends. the group consists of ruby,freya,amy,mimi,paige and abby. they are all six the musical stans who are idiots.
pearl: oh my god did you see the meme that the 9/11 flight crew made?
emma: yes it's so offensive! they bully my little sister on roblox!
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.
FRIEND A: "Did you just take a stealthie of me?"
FRIEND B (turning phone around): "no I was just using snapchat's new filter, see?"