おっさん Common word LinksSentence search for おっさんSentence search for オッサンEdit in JMdict Noun1. middle-aged manDerogatory, Familiar languageおい、おっさん!なに何やってんだよ!Hey, pops! What are you doing!Noun2. Buddhist priestFamiliar languageOther formsオッサン Discussions Log in to talk about this word.