Definitions
1.AdjectiveLike a hack; amateurish.
2.AdjectiveFilthy or totally dirty.
3.AdjectiveUsing, or characterised by, hacks: poorly designed workarounds.
4.AdjectiveShort and interrupted, broken, jerky; hacking."A hacky cough. A hacky laugh. A hacky breath. A hacky howl."
5.AdjectiveHackneyed (lacking significance through having been overused; unoriginal and trite)