冷ひやかし客きゃく

noun

window-shopper; customer just looking

Refers to a person who enters a shop or looks at goods without intending to buy. Often used in retail contexts.

• 週しゅう末まつは冷ひやかし客きゃくで店みせが混こん雑ざつする。

  On weekends the shop gets crowded with window-shoppers.

• 彼かれは冷ひやかし客きゃくだから、声こえをかけても無む駄だだ。

  He's just looking, so it's pointless to approach him.