A female who becomes a fan, or likes something for the fallowing reasons;
a.to impress someone
b.to fit into a crowd
c.to piss someone off
d.Because the team wins a lot (related to sports)
This person normally dose not know anything that they are talking about but think they do
She hated basketball until she started dating him and now she loves the Lakers, but when she watches a game she has to ask whats going on the entire game, that girls a bandwagon bitch.