bollocks up
In real, traceable use. Part of the curated seed collection; community review is coming.
Meaning · English
To fail to do correctly; to make a mess of.
Register: slang, vulgar
Examples
The webpage didn't display properly because I bollocksed up the formatting.
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Common questions
What does “bollocks up” mean?
To fail to do correctly; to make a mess of.
Is “bollocks up” formal or informal?
bollocks up is generally slang, vulgar.