Bandwagon

[Sarah]

When someone adopts a popular point of view for the primary purpose of recognition and/or acceptance by others.

[Justin Bieber]

To follow the group as it has the majority or a vast number of followers

[Jessica]

Suddenly giving a damn when a team gets good.

[Becky]

What people will ride or get on when they want to be accepted, espescially in the NFL. People will get on the (Colts) bandwagon and suddenly become their fans because they are doing really good or because they have a large number of fans so they can be accepted.
People will ride a bandwagon even if they dont give a shit about football or whatever the bandwagon is.

[Britney]

When Stupid idiots follow stupider retards in hope to join the pack and not be an individual.

[Justin Bieber]

when a person likes a trend, or sports team, just because it is getting more popular.

[Sarah]

When one only likes or agrees with someone/something due to success. Even if said individual liked/agreed with something before they were successful, they hopped on the bandwagon.
The most typical is the Yankees fan, many only like the Yankees due to success, however there are the few who were brought up that way.

[Sonia]

Taking interest in something just to fit in with the crowd.

[Tina]

Used in reference to an activity, cause, etc. that is currently fashionable or popular and attracting increasing support.