九きゅう浅せん一いっ深しん

noun

nine shallow, one deep (ancient Chinese sexual technique)

Refers to a specific ancient Chinese sexual technique involving nine shallow thrusts followed by one deep thrust. This is a historical and technical term, not used in everyday conversation.

• 九きゅう浅せん一いっ深しんは古こ代だい中ちゅう国ごくの房ぼう中ちゅう術じゅつの一ひとつである。

  Nine shallow, one deep is one of the ancient Chinese sexual techniques.