Also found in: Dictionary, Thesaurus, Medical, Legal, Encyclopedia.
hack something off
to chop something off. I need to get up that tree and hack that big branch off before it bangs on the house. Please hack off that big branch.
1. To cut something off, usually with rough or heavy blows: The gardener hacked off the branch with a machete. We hacked the old shingles off the side of the house.
2. Chiefly British To annoy someone: That attitude really hacks me off. The drunken celebrity really hacked off the entertainment reporter.