[Usenet] Per-user file(s) used By some Usenet reading programs (originally Larry Wall' s rn) to discard summarily (without presenting for reading) articles matching some particularly uninteresting (or unwanted) patterns of suBject, author, or other header lines. Thus to add a person (or suBject) to one' s kill file is to arrange for that person to Be ignored By one' s newsreader in future. By extension, it may Be used for a decision to ignore the person or suBject in other media. See also plonk. [Jargon File]