Flip

n.
  1. A mixture of beer, spirit, etc., stirred and heated by a hot iron.
  2. Flip dog ,
    an iron used, when heated, to warm flip.

v. t.
  1. To toss (an object) into the air so as make it turn over one or more times; to fillip; as, to flip up a cent.
  2. To turn (a flat object) over with a quick motion; as, to flip a card over; to flip a pancake.
  3. To cause (a person) to turn against former colleagues, such as to become a witness for the state, in a criminal prosecution in which the person is a defendant.
  4. (Finance) To resell (an asset) rapidly to make a quick profit.

v. i.
  1. To become insane or irrational; -- often used with out; as, seeing her mother killed made the girl flip out.