barracks rat

Noun

slang

(slang, military) A soldier who prefers to stay in the barracks during time off.

Japanese Meaning

休暇時などに兵舎に留まることを好む兵士 / 必要以上に兵舎にいる、兵舎好きの軍人

Even on liberty weekends, the barracks rat preferred to clean his bunk and read rather than go into town.

休日の週末でさえ、休暇中は兵舎に残ることを好むその兵士は、街へ出かけるよりも寝床を掃除して本を読むことを選んだ。

Sense（1）

(slang, military) A soldier who prefers to stay in the barracks during time off.

barracks rats

（ plural ）