noun
Vulgar slang for female genitalia. Very crude; not used in polite conversation.
あのAV女優のおまんこはきれいだってネットで見た。
I saw online that that AV actress has a pretty pussy.
noun
Vulgar slang for sexual intercourse. Often used in explicit or crude contexts.
昨日彼女とおまんこした。
I fucked my girlfriend yesterday.