flip-flop \ˈ ̷ ̷ ˌ ̷ ̷ \noun Etymology:flip (II) + flop (III) 1.: a rubber sandal loosely fastened to the foot by means of a thong 2.: a sudden reversal (as of policy or strategy) < performed an amazing flip-flop … that put the plans back in motion — Ed Magnuson > • flip-flop\"\intransitive verb