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1 definition by HIGHBALLER FAN

Over achiever. One who prevails. Conquers steep challenges. Elevates any standard. Instinctively motivated. Talent that delivers. A born leader.
Mining related (where the term actually originated):

Ryan is such a Highballer...he ran 2 drills and managed to get over 500 feet in one shift in bad ground without losing any rods!
by HIGHBALLER FAN February 02, 2011
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