bandwagon bandwagon /ˈbænˌdwægən/

noun

1. A large ornate wagon for carrying a musical band  ( bandwagon )
   a large ornate wagon for carrying a musical band
    The gaudy bandwagon led the circus parade
   the gaudy bandwagon led the circus parade
   
   
2. A popular trend that attracts growing support  ( bandwagon )
   a popular trend that attracts growing support
    When they saw how things were going everybody jumped on the bandwagon
   when they saw how things were going everybody jumped on the bandwagon