HOLUS-BOLUS Meaning of HOLUS-BOLUS in English [ ˌhəʊləs'bəʊləs ]■ adverb N. Amer. or archaic all at once.OriginC19 (orig. dialect): perh. pseudo-Latin for 'whole bolus, whole lump'. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004