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English definition of “billy-o”


adverb     /ˈbɪl.i.əʊ/ US  /-oʊ/ UK old-fashioned informal
like billy-o a lot or very quickly, strongly, etc.: We worked like billy-o to get it finished.Physically strong and powerful
(Definition of billy-o adverb from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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