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1. To cut something off, often with clumsy strokes or stabs. A noun or pronoun can be used between "hack" and "off." That's it—I'm going out and hacking off the part of the bush that's blocking the driveway!
2. To irritate or annoy someone. Primarily heard in the UK. A noun or pronoun can be used between "hack" and "off." He keeps undermining me to the boss, and it's really hacking me off.
slang Irritated or annoyed. I'm really hacked off about his constant attempts to undermine me to the boss.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
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.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
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.
The American Heritage® Dictionary of Phrasal Verbs. Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
mod. angry; annoyed. Willy was really hacked off about the accident.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.