DIDICOI Meaning of DIDICOI in English [ 'dɪdɪkɔɪ ](also diddicoy ) ■ noun ( plural ~s ) dialect a Gypsy or itinerant tinker.OriginC19: perh. an alt. of Romany dik akei 'look here'. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004