Source : Free On-Line Dictionary of Computing

twonkie
     
        /twon'kee/ The software equivalent of a Twinkie (a variety of
        sugar-loaded junk food, or (in gay slang) the male equivalent
        of "chick"); a useless "feature" added to look sexy and
        placate a {marketroid}.
     
        Compare {Saturday-night special}.
     
        The term may also be related to "The Twonky", title menace of
        a classic SF short story by Lewis Padgett (Henry Kuttner and
        C. L. Moore), first published in the September 1942
        "Astounding Science Fiction" and subsequently much
        anthologised.
     
        [{Jargon File}]
     
        (1994-10-20)