bollocks up

verb

To fail to do correctly; to make a mess of.

“The webpage didn't display properly because I bollocksed up the formatting.”

Similar
botchbodgebumblefumblebotch upmuffblowflub
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Meanings

verbbollocks up (third-person singular simple present bollockses up, present participle bollocksing up, simple past and past participle bollocksed up)

present singular third person bollockses up · participle present bollocksing up · participle past bollocksed up · past bollocksed up

  1. AustraliaCommonwealthIrelandNew ZealandUKslangvulgarTo fail to do correctly; to make a mess of.

    The webpage didn't display properly because I bollocksed up the formatting.

Synonyms & antonyms

verbmake a mess of, destroy or ruin

Similar
botchbodgebumblefumblebotch upmuffblowflubscrew upball upspoilmuck upbunglefluffbollixbollix upbollocksbobblemishandlelouse up
Broader
failgo wrongmiscarry
Also see
ball upblowbobblebodgebollixbollix upbollocksbotchbotch upbumblebunglecock upflubflufffoul upfuck upfumblegoof uplouse upmess upmishandlemuck upmuffscrew upspoil

Synonym sets from Open English WordNet, CC BY 4.0.

Cite this entry
APA

bollocks up. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/bollocks%20up

MLA

“bollocks up.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/bollocks%20up. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “bollocks up,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/bollocks%20up.

Source: bollocks up on Wiktionary, CC BY-SA 4.0.