おっさん

noun

middle-aged man; old guy

Casual and often derogatory term for a middle-aged or older man, similar to 'geezer' or 'old dude'. Used familiarly or dismissively depending on context.

• あのおっさん、またコンビニで立たち読よみしてるよ。

  That old guy is reading magazines at the convenience store again.

• おっさん呼よばわりされて腹はらが立たった。

  I got annoyed when they called me an old man.

noun

Buddhist priest

Familiar, sometimes slightly irreverent term for a Buddhist priest. Less common than the general 'middle-aged man' sense.

• 近きん所じょのお寺てらのおっさんに説せっ教きょうされた。

  I got a lecture from the priest at the neighborhood temple.