noun A mythological creature (usually humanoid and undead) said to feed on the blood or life energy of the living. .mw-parser-output .defdate{font-size:smaller}
Bram Stoker's novel Dracula built on centuries-old stories of vampires and also encouraged new growth of the mythology.
noun A person with habits traditionally ascribed to (literal) vampires, such as heliophobia, being a night owl, having pale skin, and so on.
Somehow I doubt that Kelly will want to go surfing with us — she's such a vampire that she might recoil from the sun, lol!
noun A person with the medical condition porphyria cutanea tarda, colloquially known as vampirism, with effects such as photosensitivity and brownish-red stained teeth.
noun A blood-sucking bat; vampire bat (Desmodus rotundus)
noun A person who drains one's time, energy, money, etc.
emotional vampire
noun A vamp: a seductive woman who exploits men.
noun A medical technician who works with patients' blood; especially, a phlebotomist.
noun Synonym of anti-ship missile (ASM), particularly an incoming hostile one.