flip-flop
noun
a sudden or unexpected reversal, as of direction, belief, attitude, or policy.
Used to express actions, events, or states that have not yet occurred but are expected to happen.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Patrick has to juggle a schedule that will flip-flop between Nationwide and IndyCar over the summer.
From Newsweek ● Jun. 25, 2010