jab

(noun) a sharp hand gesture (resembling a blow). Synonyms: jabbing, poke, poking, thrust, thrusting. Examples: "He warned me with a jab with his finger." "He made a thrusting motion with his fist."

(noun) a quick short straight punch.

(noun) the act of touching someone suddenly with your finger or elbow. Synonyms: dig. Example: "She gave me a sharp dig in the ribs."

(verb) poke or thrust abruptly. Synonyms: prod, stab, poke, dig. Example: "He jabbed his finger into her ribs."

(verb) strike or punch with quick and short blows.

(verb) stab or pierce. Synonyms: stab. Example: "He jabbed the piece of meat with his pocket knife."