the sound you make when you see BTS playing live on your tv. or honestly whenever you feel like it. you might have said it in 7th grade every 5 seconds.
did yall hear what they were saying into that vaseline container in the bush??? i think it was SKAKAKAKAKAKAKA
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?"