Meaning of “flip-flop” - Learner’s Dictionary

flip-flop

noun [ usually plural ] uk us /ˈflɪpˌflɒp/ (also US thong)

a type of shoe, often made of rubber, with a V-shaped strap in between the big toe and the toe next to it

(Definition of “flip-flop” from the Cambridge Learner’s Dictionary © Cambridge University Press)