the reverse and usually less popular side of a phonograph record.
an opposite, reverse, or sharply contrasted side or aspect of something or someone: The flip side of their charitable activities is a desire for publicity.
Origin of flip side
First recorded in 1945–50
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for flip side
another term for B-side
another, less familiar aspect of a person or thingthe flip side of John Lennon
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012