おとんMeanings1noundad; papa; fatherfamiliar languageusually written using kana aloneKansai dialect familiar term for one's own father, similar to お父さん but more casual and intimate. Used within the family or among close friends.See also: お父さんうちのおとんはいつも冗じょう談だんばかり言いう。My dad is always cracking jokes.おとん、ちょっと小こ遣づかいちょうだい。