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Someone who over eats and scoffs. Also usually greedy.
"Damn it Andrew, You ate all that cake! You're such a grizzle guts!"
by kittyouss June 12, 2007
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(Australian coll.) Someone who complains a lot often about unnecessary things. See whinger
Don't be such a grizzleguts!
by Fub2 March 08, 2008
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