1. Referring to their parents by their first names
  2. Referring to their apartments by just the number
    "1319 knows how to party"
  3. Bragging about how they're incapable of being adults
    "Can't adult today."
  4. Not wearing weather appropriate clothes
    I'm looking at you, girl wearing a short sleeve shirt to the bar when it's -10.
  5. Complaining about how all of their friends are either having babies or getting married.
    See "Adulting" above.
  6. Pretending drunk them is an entirely different person than sober them.
  7. Having their music and t.v's up super loud all the time.