A popular catchphrase is a phrase or expression that many people know and use often. It is like a common saying that becomes well-known and recognized by many. Full definition
He also bears the distinction of delivering one of the most popular catchphrases in Hollywood history, a line that's unimpressive on the page but, in Osment's hands, downright chilling. (backstage.com)
Despite not being on cable, «Parks and Recreation» was an Emmy - nominated hit and quotes from the show such as «Treat Yourself» have become immensely popular catchphrases, while merchandise covered in Ron Swanson's face isn't too hard to find. (businessinsider.com)
In education technology, data - driven «personalized learning» has become an increasingly popular catchphrase, with more startups pitching (and investors funding) various ways of using analytics to improve student performance. (gigaom.com)