noun
A quick stab or blow; a poking or thrusting motion.
(boxing) A short straight punch.
(British) A medical hypodermic injection (vaccination or inoculation).
(British, Australia, New Zealand, sometimes Philippines) A vaccination, whether or not delivered by means of a conventional injection.
(US, figurative) A mild verbal insult.
verb
To poke or thrust abruptly, or to make such a motion.
To deliver a quick punch.
(slang, UK) To give someone an injection.
(slang) To vaccinate or inoculate someone.
To make fun of, to mock