1. "Get a life"
    A biting and hurtful thing to say.
  2. "Get a clue"
    Get a life - lite
  3. "You don't understand!"
    Not only to tell mom she doesn't get it. Also good for telling friends they don't get the situation, in a condensing way. Such as, "you don't understand because you've never had a serious boyfriend."
  4. "Take a chill pill"
    Ughhh, tell me about it.
  5. "Hey, what's it to you?"
    Why are you so invested you weirdo, must mean something deeper!
  6. "Get out of my face"
    Don want to look at you. We're not friends.
  7. "I hate your face"
    Bad face bro.
  8. "What makes you think I care?"
    I don't know why you think I care. Honestly I don't. I really don't care. I am better than you. I couldn't give two shits.
  9. "Let's not, say we did and then, brag about it."
    A popular insult in ninth grade. Used to tell someone their idea was stupid.
  10. "Talk to the hand"
  11. "Bite me"
    Just a cool thing to say.
  12. "So you think you're all that"
    Suggested by @celine
  13. I hope you get all the help you need.
    Suggested by @sharris
  14. "Grow a Pair"