The Jargon File (version 4.4.7, 29 Dec 2003):

bagbiting
 adj.

    [MIT; now rare] Having the quality of a bagbiter. ?This bagbiting system
    won't let me compute the factorial of a negative number.? Compare losing,
    cretinous, bletcherous, barfucious (under barfulous) and chomping
    (under chomp).