has been flip-flopping

• present perfect progressive

  present perfect progressive

  Used to describe an action that began in the past, has continued continuously, and is still in progress.

  of flip-flop (3rd person singular).
  flip-flop

  noun

  a sudden or unexpected reversal, as of direction, belief, attitude, or policy.

Related Words

• U-turn
• about-face
• reversal
• turnabout
• volte-face