smoke

Military Slang (all 4) 1) To order a subordinate do excercises until completely exhausted, often as a punishment. 2) To be, or to have body parts, in a condition of extreme exhaustion or muscle failiure, as a result of exercise. 3) Artillery fire, mortar fire, or fire from close air support aircraft, especially from the point of view of the Forward Observer and acompanying Infantrymen. 4) To run away, hide, or conceal oneself, either as if using smoke grenades, or while actually using them.