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rude slang To jumble up or ruin something. "Bollix" is an alternative spelling of "bollocks," a vulgar slang term for testicles. A noun or pronoun can be used between "bollix" and "up." Boy, you really bollixed up this report—I'm not sure I can even fix it. Take your time so you don't bollix it up!
Bungled; messed up; mixed up. "Bollixed" is an alternative spelling of "bollocksed." Oh man, the printer really bollixed up this report. The pages are all out of order now, and I think a whole section is missing!
Farlex Dictionary of Idioms. © 2022 Farlex, Inc, all rights reserved.
bollix something up
Inf. to ruin something; to mess something up. Please don't bollix my stereo up. Who bollixed up the folded laundry?
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
To make a mess of something because of mistakes or poor judgment: I'm afraid you've bollixed up that job badly! Don't make me paint the chairs; I'll just bollix it up.
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.