This phrase "the Moneymaker effect" came up on a Wikipedia side-bar on July 13.
The Moneymaker effect-The sudden growth in the interest of Poker after the 2003 world series of Poker Main Event. Chris Moneymaker, an accountant from Tennessee, won 2.5 million dollars. Moneymaker is the winner's real birth name. His German ancestors were makers of gold and silver coins.
This example was printed in a July flier from Berks Co. (PA) Public Library "Avoid the Summer Slide"
Summer Slide- Forgetting academic concepts over the summer break.
The first citation: John Leland, "Council Offers Kids Job Training" San Jose Mercury News, April 20 1994