土ど禁きんどきんMeanings1expressionno shoes allowed; shoes offcolloquialabbreviationColloquial abbreviation of 土足禁止, often seen on signs at entrances where outdoor shoes are prohibited.See also: 土足禁止玄げん関かんに「土ど禁きん」と書かいてあるから、靴くつを脱ぬいでください。It says 'no shoes' at the entrance, so please take off your shoes.