Main Entry: flip–flop

Pronunciation: \ˈflip-ˌfläp\

Function: noun

Date: 1600

1 : the sound or motion of something flapping loosely
2 a : a backward handspring b : a sudden reversal (as of policy or strategy)
3 : a usually electronic device or a circuit (as in a computer) capable of assuming either of two stable states
4 : a rubber sandal loosely fastened to the foot by a thong

— flip–flop intransitive verb