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Baseball style strived for by members of the New York Mets. Characterized by hard-hitting offense and smart defense, i.e. stealing bases, hitting homeruns, making the play. Best said in a Mr. T/ Samuel L. Jackson voice: "Now that's WillieBall, motherfucka".

Please note Kaz Matsui is INCAPABLE of ever playing WillieBall.
David Wright's bare-handed catch in 2005 was WillieBall. Home Runs are WillieBall. Carlos Beltran smashing homeruns in RFK stadium is WillieBall.
by Colonel Sanders April 20, 2006
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