くわえタバコ

noun

smoking with a cigarette in one's mouth; holding a cigarette in the mouth

Describes the act of smoking without using hands, or simply holding a cigarette between the lips. Often used in contexts where hands are occupied or in a casual, tough-guy image.

• 彼かれはくわえタバコで自じ転てん車しゃに乗のっていた。

  He was riding his bicycle with a cigarette in his mouth.