ルーザー

noun

loser

A person who fails or is unsuccessful, often used in a derogatory or self-deprecating way. Common in casual speech and online contexts.

• あいつは本ほん当とうにルーザーだな。

  That guy is a real loser.

• 試し験けんに落おちて、自じ分ぶんがルーザーに思おもえた。

  After failing the exam, I felt like a loser.