noun
Boxing term for a quick, straight punch with the lead hand. Also used figuratively for a sharp verbal remark or a quick, light action.
彼は軽いジャブを何発か打って相手の距離を測った。
He threw a few light jabs to gauge his opponent's distance.
会議で彼は上司にジャブを飛ばした。
He threw a jab at his boss during the meeting.