甘勃あまだち

noun

partial erection; semi-erection; slightly aroused

Vulgar slang used among young people to describe a penis that is not fully erect. Often used in casual, locker-room talk.

• 朝あさ起おきたら甘あま勃だちしてた。

  I woke up with a semi.

• 彼かの女じょのちょっとした仕し草ぐさで甘あま