He threatened to kick the thief in the kidney if he didn't leave.
Он пригрозил ударить вора в почку, если тот не уйдет.
Definitions
To physically strike or hit someone in the kidney area, typically with a foot. This phrase can refer to an actual act of violence targeting the lower back where the kidneys are located, or it can be used metaphorically to describe causing someone significant pain or harm, especially in a vulnerable or sensitive area.
