淫いん口こう

noun

pussy; cunt; vulva

Vulgar slang for female genitalia. Strongly offensive; used in explicit sexual contexts or insults.

• あのAV女じょ優ゆうの淫いん口こうがアップで映うつっていた。

  The porn actress's pussy was shown in close-up.

noun

lewd mouth

Vulgar slang for a mouth used in a sexually suggestive or explicit way, e.g., during oral sex or dirty talk. Often appears in erotic contexts.

• 彼かの女じょは淫いん口こうで男おとこを喜よろこばせるのが上手うまい。

  She is good at pleasing men with her lewd mouth.