1 definition by TheBigSlammaJamma

When a young child hit a grand slam in his little league baseball team. The word comes from the scenario in which said child's father celebrates with a hardy," BIG SLAMMMMMMMMMMMM! A HARDY BIG SLAMMMMMMMMMMMMMM!"
Bill was proud to brag about his son's big slam during the big game.
by TheBigSlammaJamma March 25, 2015
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