noun
Slang term for a day laborer, especially one hired on a daily basis for manual work. The term is derived from the daily wage of 240 yen (2-4-0) that was common in the post-war period.
See also: 日雇い労働者
彼は若い頃、ニコヨンとして働いていた。
When he was young, he worked as a day laborer.
ニコヨンたちが朝早くから仕事を求めて集まっている。
Day laborers gather early in the morning looking for work.