In sports, someone who shamelessly cheers for a particular team not because he likes them or follows them faithfully, but only because that particular team is the "popular" choice or has been or is the top team in their specific sport recently. When that team which bandwagoners follow falls from grace, they gleefully jump on the next teams bandwagon and cheer for that team.
A person who starts rooting for a sports team after never having interest in that team or even that sport in general because they're winning and everyone else is rooting for them
Bandwagoner: "Football is stupid" a few months later after the 49ers have made the playoffs... Bandwagoner: "Go 49ers"
A fan of a particular sports team who had no previous interest in the team until they began winning. They often will claim that they have been "a fan forever." You must discredit them on every statement they make.
In sports, someone who shamelessly cheers for a particular team not because he likes them or follows them faithfully, but only because that particular team is the "popular" choice or has been or is the top team in their specific sport recently. When that team which bandwagoners follow falls from grace, they gleefully jump on the next teams bandwagon and cheer for that team.
James Simmons is the BIGGEST bandwagoner in the history of bandwagoners because he likes every sports team know to man! How dumb.