二穴;二尻(rK) [にけつ] /(n,adj-no) (1) (二穴 only) two holes/(n) (2) toilet with separate chambers for urine and faeces/(n) (3) (usu. ニケツ) (See ニケツ・1) (sl) (uk) riding double (on a bicycle, motorcycle, etc.)/EntL2838848/