Something that people jump on to in order to try and fit in with the latest trends in media, clothing, language, and culture. It is easy for people to try and be a part of but if it gets deemed as uncool at any point, then people will leave it quickly.
A: "Did you see everyone's facebook status about hating the new facebook changes?"
B: "Yeah everyone jumped on that trendwagon for a day."
B: "Yeah everyone jumped on that trendwagon for a day."
by DoH!nut. October 6, 2011