| 寝首 | [ねくび, nekubi] (n) head of a sleeping person [Add to Longdo] |
| 寝首をかく;寝首を掻く | [ねくびをかく, nekubiwokaku] (exp, v5k) (1) to cut off the head of a sleeping person; to assassinate someone while he sleeps; (2) to catch someone off his guard by setting traps [Add to Longdo] |