1) A change in society emanating from younger memebers who are uneasy with the status quo.

2) A cliche term used by talking heads in the sports media which implies a team is collecting players to replace aged players.
1: The governement of Iran could possibly be toppled by a youth movement.

2: The Kansas City Royals have been in an eternal youth movement since 2003, and look where that has gotten them.
by S. J. C. April 30, 2006
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