When I was at the grocery store the other day, I saw two guys buying a Wiffle.    From Wordnik.com.  [Wiffle Ball brings back All-Star memories] Reference

Wiffle ball's great advantage over baseball has always been that it requires so few players.    From Wordnik.com.  [The Wiffle Effect] Reference

He launched his career hitting Wiffle balls with cut-down golf clubs in a neighbor's backyard when he was seven.    From Wordnik.com.  [USATODAY.com - Howell hoping to win big in his own backyard] Reference

He struck out Troy Tulowitzki twice, once looking at a Wiffle ball-in-the-backyard, 65-mph curve that nicked the top of the strike zone.    From Wordnik.com.  [Ubaldo Jimenez pitches Colorado Rockies past Washington Nationals, 2-0] Reference

The balls still had little growth, looking more like huge, abandoned Wiffle balls than anything Jacques Cousteau might have happened on.    From Wordnik.com.  [From Balls of Concrete] Reference

Road~everyone seems to become a gelding on the road, or using Whamco's new Wiffle bat.    From Wordnik.com.  [Denver Post: News: Breaking: Local] Reference