ˈ ̷ ̷ˌ ̷ ̷ ̷ ̷ noun
Etymology: band (III) + wagon
1. : a usually ornate and high wagon for a band of musicians especially in a circus parade
2.
a. : a party, faction, or other element that attracts adherents by its timeliness, showmanship, vigor, or novelty
the Prohibition bandwagon rolled victoriously through several states
specifically : such a party, faction, or other element held together by or capable of attracting new members through opportunity for personal gain
the bandwagon mentality
b. : a social, cultural, or racial movement that amasses power by or as if by sheer size, momentum, or internal unity
fascists certain they were on history's bandwagon
the reform bandwagon that swept across the country
c. : a current or fashionable taste or trend
the sports car bandwagon
to beat the Mozart bandwagon as early as 1903 with a penetrating study of the classical concerto — Joseph Kerman