hacked off = H = hacker

hacked up adj.

Sufficiently patched, kluged, and tweaked that the surgical scars are beginning to crowd out normal tissue (compare critical mass). Not all programs that are hacked become `hacked up'; if modifications are done with some eye to coherence and continued maintainability, the software may emerge better for the experience. Contrast hack up.

--The Jargon File version 4.3.1, ed. ESR, autonoded by rescdsk.

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