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2.
A phrase used to get someone to join you on an adventure or event.
Shelley: everyone is coming home but me!!

Me: jump on the bandwagon!
by jcat1529 January 29, 2009
 
1.
to follow the trend/sth. popular in advance.
Many celebrities jump on the bandwagon so that the fashion critics of theirs may be positive.
by Serena :) April 19, 2009