Yihyang is someone extraordinary. He is very smart, witty, and warm-hearted. He also has a gentle smile and a soft voice and when he talks to you, you will have crush on him.
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.