1 definition by phogieone

A grumkin is a children's fanciful monster
"In Old Nan's stories the grumkins crafted magic things that could make a wish come true. Did I wish him dead? she wondered, before she remembered she was too old to believe in grumkin."

source: George R. R. Martin - A Song of Ice and Fire
by phogieone February 6, 2010
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