A variant spelling of bollix, meaning to mess up, confuse, or ruin something; used more commonly in British English.
Variant of 'bollix,' an alternative spelling more established in British English usage, derived from the same Gaelic and Irish English roots as bollix.
The two spellings 'bollix' and 'bollox' show how Irish and British English conventions diverge—while both are understood across English-speaking regions, British English favors the -ox ending which also appears in 'bollocks.'
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