1)an animal that has a negative relationship with its host animal. Certain beetles that kill trees are worse than negative, they kill trees. Ticks are parasites to humans, where spiders are symbiotic.

2) a human parasite is one of the social variety. A person who lives off money they did not contribute to by working is a parasite. A lawyer is a parasite to a client in some cases. A rapist is a parasite to a woman(or man) because the relationship is predatory and the rapist takes from the host. A vampire would be a human parasite if vampires were human.
People who are not going to work tomorrow are parasites because they are busy lying around, and don't have time to contribute to society. Give them hell because that's the only way to motivate one of these blood sucking human mites.
by Solid Mantis March 10, 2016
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The parasite was living off my food supply and causing me to have a growth on my abdomen.
by Kayla Pratt January 29, 2006
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An Unborn Baby Still Living In Its Mother
woman: im pregnant again...
Man: Oh, shit... is the parasite to old to have killed?
by Dann¥ May 17, 2007
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some one who sponges everything out of you even your last breath given have the chance
" hey you wanna watchg that jonny c, he ll try take the lot of ya if your not carefull, hes a right parasite"
by legend13 April 13, 2010
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a member of the royal family who lives off the taxpayer whilst giving little in return except for opening a few hospitals and shaking a few hands
give back our money you bloody parasites
by tellitstraight September 7, 2007
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most people in general in high school, thrive off of others,usually social animals, nosing into other people's bussiness, until someone grows the balls to the break their pretty little face
wide eyed parasite:"Are u and jenny having sex?"
descent person:"none of your business."(blank expression)
parasite:"please tell me, I wont tell anyone."
decent person walks away.
by Slayerfan101 December 20, 2008
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One who lives off of society while simultaneously mocking and hating it.
Jack: Shit dude, it's all burners, hippies, stoners, freaks and fags at this party.

Joey: Yep, nothin but parasites here, dude.
by Jack the Dick March 7, 2007
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