HELLION Meaning of HELLION in English [ 'hɛljən ]■ noun N. Amer. informal a rowdy or mischievous person, especially a child.OriginC19: perh. from dialect hallion 'a worthless fellow', changed by assoc. with hell . Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004