膣ちつ洞どうじ字FuriganaAudioMeanings1nounvaginal cavity; vaginaslang›vulgar expression or wordSlang/vulgar term for the vagina, emphasizing the cavity aspect. Not a clinical term.ネットの下げ品ひんなスレで「膣ちつ洞どう」という言こと葉ばを見みた。Break this sentence down in the analyzerI saw the word '膣洞' in a vulgar online thread.