Definition of "mulligrubs" []

• Colic (noun)
• Sullenness; sulky behaviour (noun)

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• ""mulligrubs," all stand out in my memory as tragic, and no doubt prepared me to appreciate tragedy later on as a fine art."
• "Even a rival at the Gold Hill Daily News noticed that this favorite writer is melancholy; he has got the mulligrubs. . ."
• "She filled the one brimful for her guest, and the other more modestly to about two-thirds of its capacity, for her own use, repeating, as the rich cordial trickled forth in a smooth oily stream — “Right Rosa Solis, as ever washed mulligrubs out of a moody brain!”"