1) media
2) too busy being chic! (But chic is Konglish for "too cool")
3) too early (to despair/give up)
4) "No way you forgot, right?"
5) ??
6) The leader is grinning really widely (until the mouth rips is a figure of speech for that)
7) this is a Busan dialect for saying "that's nothing" - as in, "Playing cute? That's nothing/no big deal. I can do that well."