Definition: Grainsmen are a fictional character from the video game "Super Mario Bros." who is a small, mischievous, and often misbehaving child. He is often depicted as a misfit in the Mushroom Kingdom and is known for his love of mischief and bad behavior. The term "grainsmen" comes from the game's name, which translates to "small grains," reflecting the character's small size. The game also has the tagline "Grain Men Are Good for Business
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