NounBloodsucker (plural Bloodsuckers)
- One who drinks the blood of others, especially by sucking blood through a puncture wound.
- By extension, any parasite.
- By extension, one who attempts to take as much from others as possible.
- A vampire.
barnacle, bedbug, blackmailer, extortioner, extortionist, freeloader, hanger-on, harpy, leech, lounge lizard, moocher, mosquito, parasite, predator, profiteer, racketeer, raptor, scrounge, scrounger, shakedown artist, shark, spiv, sponge, sponger, sucker, tick, vampire, vulture, wood tick