二に号ごうさん

noun

mistress; kept woman

Colloquial euphemism for a man's mistress, literally 'number two'. Often used in gossip or light-hearted contexts.

• 彼かれは二に号ごうさんを囲かこっているらしい。

  He seems to be keeping a mistress.

• あの社しゃ長ちょうには二に号ごうさんがいるって噂うわさだよ。

  Rumor has it that company president has a mistress.