The definition of a hacker is a very skilled computer programmer who is able to gain access into secure computer systems, or a low skilled golfer or tennis player.
(noun)See hacker in Webster's New World College Dictionary
noun
See hacker in American Heritage Dictionary 4
noun
Origin:
Origin: Perhaps from hacker, amateurish or inept golfer or tennis player (possibly from hack1)
Origin: , or perhaps from hack, practical joke, clever scheme (from dialectal hack, to embarrass, confuse, play a trick on)
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