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. © 2015 Farlex, Inc, all rights reserved.