細ほそ客きゃく

noun

frugal customer; poor spender

Slang used in business or service contexts to describe a customer who spends little money, often with a slightly derogatory nuance.

• あの店みせは細ほそ客きゃくばかりで、なかなか儲もうからない。

  That shop only gets frugal customers, so it's hard to make a profit.

• 細ほそ客きゃくにはあまり時じ間かんをかけたくないというのが本ほん音ねだ。

  Honestly, I don't want to spend much time on poor spenders.