Your "douiindesu" is almost certainly どういうんですか (dou iun desu ka) without the "ka" – a very natural spoken Japanese question asking "What do you mean?"
| Phrase | Formality | |--------|------------| | どういう意味ですか (Dou iu imi desu ka) | Standard polite | | どういうんですか (Dou iun desu ka) | Casual polite | | どういうこと? (Dou iu koto?) | Casual (friends) | | え?どういうん? (E? Dou iun?) | Very casual | douiindesu
The distinct value of "dōindesu" lies in its difference from standard agreement. douiindesu
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