Also found in: Idioms, Wikipedia.
1. The movement or sound of repeated flapping.
2. A reversal, as of a stand or position: a foreign policy flip-flop.
3. A backless, often foam rubber sandal held to the foot at the big toe by means of a thong.
4. A backward somersault or handspring.
5. An electronic circuit or mechanical device capable of assuming either of two stable states, especially a computer circuit used to store a single bit of information.
v. flip-flopped, flip-flop·ping, flip-flops
1. To move back and forth between two conditions or circumstances, sometimes repeatedly: "The weather has flip-flopped between sweltering heat and violent storms" (New York Times).
2. To reverse a stand or position: "With the board having flip-flopped over zoning issues in the last several years, residents are looking to this fall's election for clarity" (Eugene L. Meyer).
3. To execute a backward somersault or handspring.
To move from one position to the reverse or opposite: The coach flip-flopped the linemen.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
informal US a person who makes a complete change of policy, opinion, etc
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014