半はん勃だち

noun

semi-erection; partial erection

Colloquial term for a penis that is not fully erect. Often used in casual or sexual contexts.

See also: 半勃起

• 朝あさ、半はん勃だちのままトイレに行いった。

  In the morning, I went to the bathroom with a semi-erection.

• 彼かれは半はん勃だちの写しゃ真しんを送おくってきた。

  He sent me a picture of his partial erection.