-If you were hanging out with a friend and left to hang with "cooler" kids, you were a flat leaver
-If person A hangs out with person B & C, and then person A leaves to hang out with person D & E, then person A is a Flat Leaver...
Person A: ::playing video games with person B & C::
::Enter person D & E::
Person D & E: Hello person A, come hang out with us
::Person A leaves person B & C to hang out with person D & E::
Person B & C: You're a Flat Leaver person A...