to feign ignorance, to play dumb, to pretend to not know or understand something

I don't speak Japanese

I'm a Muslim

I'm Jewish

prostitute

will you marry me

A stock phrase in Japanese pop culture supposedly used by the wife in a newly-wed couple to invite her new husband to bed.

Kyūjitai form of 私生児 (“illegitimate child”)

(backgammon) backgammon

(dated slang) a woman who is attractive from behind, usually in reference to her buttocks. / (dated slang, in particular) butterface: A woman who is attractive from behind but ugly from the front.