Somebody who says that they hate something (usually related to musicians, movies, TV shows etc.) but has never actually seen or heard the aforementioned thing. They usually just read a bunch of other people's comments online and decide that they're going to feel that way now because everyone else does.
"Uh, Nickelback are literally the worst band ever. All their music is just generic"
"Dude, have you ever actually listened to any of their albums or songs?"
"Uh, no I haven't"
"Then you're being a bandwagon hater".
A person who likes a specific sports team for no reason.
"My friend, Abhwan is a bandwagon."
someone who likes x just to fit in
fuck u sowilay fucking bandwagon cunt
A bandwagon is a fan that is unsupportive of his/her team when they are losing however switch up after their team pulls through.
Sehaj: bucks in 7
Prabhsharn: yea I’m with them all the way
“The raptors win”
Sehaj: yeaaaaa lets gooo raptooorrsss
Prabhsharn: ye real shit their the best
Prabhjot: you guys are bandwagons
Prabhsharn: no just cause I like the winning team and switch when they start losing doesn’t mean I’m a bandwagon
Daddu: your a fuddu
James is a bandwagon because he likes the Packers because they are always a playoff team