亀き頭とうきとうMeanings1nounglans; glans penisAnatomical term for the glans, most commonly referring to the glans penis. In medical contexts, it can also refer to the glans clitoridis.亀き頭とうは陰いん茎けいの先せん端たんにある敏びん感かんな部ぶ分ぶんです。The glans is the sensitive part at the tip of the penis.