1 definition by The River Man

1) A person who states an opinion and then changes it to agree with the people who disagrees with them

2) A person who only likes a team or a person because they are the best at what they do
If Dave says he hates pizza and all his friends say they love it and then Dave says he loves it also simply to not be the only one left out by making a statment noone agrees with he is a band wagon jumper

If Rob changes his favorite baseball team on account of there doin well he is a band wagon jumper
by The River Man June 14, 2009
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