Wiktionary
n. (alt form kill file English) vb. (context Internet English) To add (a user) to a kill file.
Usage examples of "killfile".
Her hurt expression is too much for him: The killfile snaps down, blurring her into an indistinct black blob on the wall, veiled by his own brain as he turns and walks away, seething with anger at his mother for being so unfair as to make him behold his own face in the throes of fleshy passion.
He looks round blankly for a moment, then with gathering anger as he lets his killfile filter slip.
Sunbright halogen illuminating the printed scarf, at its center the rectangle representing an emptiness, an address unknown: the killfile of legend.
Her hurt expression is too much for him: the killfile snaps down, blurring her into an indistinct black blob on the wall, veiled by his own brain as he turns and walks away, seething with anger at his mother for being so unfair as to make him behold his own face in the throes of fleshy passion.