jab

noun

1. A quick stab or blow; a poking or thrusting motion.

   “He tore in for the ball, make a running jab for it and held it.”

2. A short straight punch.

   “American Ward was too quick and too slick for his British rival, landing at will with razor sharp jabs and hooks and even bullying Froch at times.”

3. (British)A medical hypodermic injection (vaccination or inoculation).

   “Our dog was exposed to rabies, so the whole family went to a clinic to get our jabs.”

4. (Australia, British, New-Zealand, Philippines, sometimes)A vaccination, whether or not delivered by means of a conventional injection.

   “A 'painless' sticking plaster flu jab that delivers vaccine into the skin has passed important safety tests in the first trial in people.”

5. (US, figuratively)A mild verbal insult.

verb

1. To poke or thrust abruptly, or to make such a motion.

   “A barely audible groan welled up in the Captain's throat as the grinning Freedom Fighter circled around behind the helpless American Soldier. The groan sputtered into a strangled, "No… no… don't.... " as Randall felt the juicy tip of the man's tumescent cock jab against his hair-ringed, virgin asshole.”

2. To deliver a quick punch.
3. (UK, slang)To give someone an injection.
4. (slang)To vaccinate or inoculate someone.
5. To make fun of, to mock

   “While the book's lasting appeal is remarkable, the work is worth little scholarly attention insofar as Twain is merely jabbing at a long-dead set of social practices.”