expression, noun
adult toy shop; sex shop
Euphemistic term for a shop selling sex toys and adult goods; literally 'adult toy store'.
駅の近くに大人のおもちゃ屋ができた。
An adult toy shop opened near the station.
彼は大人のおもちゃ屋で働いている。
He works at an adult toy shop.
Compound of 大人 (おとな, adult) + の (possessive particle) + おもちゃ (toy) + 屋 (や, shop). A straightforward descriptive phrase.