bandwagon noun

VERB + BANDWAGON climb on, join, jump on Competitors have jumped on the bandwagon and started building similar machines.

BANDWAGON + VERB be rolling, gather momentum/pace, sweep along The Scottish Nationalist bandwagon is gathering pace. | slow down

BANDWAGON + NOUN effect There is now a bandwagon effect with more and more firms joining the scheme.

PHRASES get/start a bandwagon rolling They seem to have got an anti-government bandwagon rolling.