A girl who everyone suddenly notices to be extremely hot. After being considered mediocre and left unnoticed for a time period (often middle school), such a girl suddenly flourishes and leaves everyone wondering how such a dime could be left hidden for such a time.
As her tits and ass grew, and she paid more attention to her makeup and hair, guys suddenly referred to Julia as a dime, while scratching their heads with wonder at how she could have been overlooked throughout the entirety of middle school. "A hidden dime", they remarked.
by ML2005 May 10, 2014
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