← Back to browse徹マンてつマン[tetsuman]nounJapanese definitionNo Japanese definition yet.English definitionplaying mahjong all nightExamplesNo examples yet.Loading examples…Ask about thisKanji徹penetrate; clear; pierce; strike home; sit up (all night)テツ · 15 strokes徹底徹底的徹徹夜冷徹徹する貫徹徹子