Third person singular present tense of bollox, meaning he/she/it messes up, ruins, or confuses something.
From 'bollox' with the regular third-person singular suffix -es, following the same conjugation pattern as bollixes.
The -es ending for third person singular appears in both 'bollixes' and 'bolloxes,' showing how vowel variations in slang don't change underlying grammatical rules—the language maintains structure even in informal speech.
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