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}.
[glossary]
[Reference(s) to this entry by made by: {hack up}]