bandwagon jumper

Noun

bandwagon jumper (plural bandwagon jumpers)

1. (idiomatic) One who jumps on the bandwagon.
   • We old-timers warmly welcome you Johnny-come-lately bandwagon jumpers.1989 April 17, Scott Ostler, “At Least Kings Now Aren’t Butt of Jokes”, in Los Angeles Times, Los Angeles, Calif.: Los Angeles Times Communications, →ISSN, →OCLC, archived from the original on 17 Jul...
   • As anyone who’s watched a cable-news focus group can attest, many undecided voters do tend to be ill-informed bandwagon jumpers with little coherence or consistency to their worldview.2012 October 10, Ross Douthat, “Sympathy for the Undecided”, in The New York Times, New York, N.Y.: The New York Times Company, →ISSN, →OCLC, archived from the original on 21 Oct 2012