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2.
Small or insignificant amount. See Mice Nuts
Don't sweat the small stuff or don't sweat the micenuts.
by BillZeil May 07, 2007
 
1.
adjective; Small, of little or no consequence compared to other objects,ideas or sentiment.
He blew a grand in Atlantic City? That's mice nuts compared to what he dropped in Vegas!
by The 8th best man. June 11, 2006