bandwagon jumper

• bandwagon-jumper

bandwagon jumper (plural bandwagon jumpers)

1. (idiomatic) One who jumps on the bandwagon.
   • 1989 April 17, Scott Ostler, “At Least Kings Now Aren’t Butt of Jokes”, in Los Angeles Times‎^[1], Los Angeles, Calif.: Los Angeles Times Communications, →ISSN, →OCLC, archived from the original on 17 July 2025:

     We old-timers warmly welcome you Johnny-come-lately bandwagon jumpers.

   • 2012 October 10, Ross Douthat, “Sympathy for the Undecided”, in The New York Times‎^[2], New York, N.Y.: The New York Times Company, →ISSN, →OCLC, archived from the original on 21 October 2012:

     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.

   • 2017 February 14, Rudy Gersten, “Mammas, don’t let your babies grow up to be bandwagon fans”, in The Washington Post‎^[3], Washington, D.C.: The Washington Post Company, →ISSN, →OCLC, archived from the original on 15 February 2017:

     Bandwagon jumpers, on the other hand, want to remain forever in the honeymoon stage of fandom.

• “bandwagon jumper, n.”, in OED Online ⁠, Oxford: Oxford University Press, launched 2000.