to request one's own resignation

(education) cramming

a dilator naris

an external anal sphincter

hair tonic

(history) agoge (Spartan training regimen) / (by extension) harsh education

Kyūjitai form of 定期乗車券: a rider's season ticket for trains, buses, etc.

above all / no matter how you say it / at any rate / after all is said and done

(Japanese mythology) son of 瓊瓊杵 (Ninigi) and 木花開耶姫 (Ko no Hana no Sakuyabime), younger brother of 火照 (Hoderi), husband of 豊玉姫 (Toyotamabime), father of 鸕鷀草葺不合 (Ugaya Fukiaezu) and grandfather of Emperor Jinmu; he was known to have a conflict with his brother in the myth 海幸山幸 (Umisachi Yamasachi, “Luck of the Sea and Luck of the Mountain”)

thunder, lightning bolt