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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see woman,women,girls,females.
man: Im so exhausted from all the sex and hard work I do to please my woman and Im still broke becasue she is spending my money on worthless shit like new curtains.
woman: Im also giving it to your brother because he has no job so I employed him as my secret lover because he has a bigger penis than you.
man: Im gona get rid of you once and for all you little parasite.
woman: (playing the victim)stop choking me! help!
man: wow. now that my wife is dead I feel so much better. It's like I got rid of some parasites.
by LONG LIVE OJAY SIMPSON August 06, 2006
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Someone that grows their entire personality off of the lifestyle or personality of someone who is already famous, or some cultural phenomenon, basically anything popular, in a vain attempt to get famous themselves.
For example, any YouTuber that has over 100k subscribers, or maybe even less.
Sometimes this works, but most of the time they just come off as a parasite, leeching off of the success of the person or TV Show or whatever, the "crystal" they "parasite" off of.
Thus they seem instead like talentless hacks with no worth of their own besides what they echo from their "crystal".
Essentially they are a clone of the person, but worse. Much worse.
Person 1: Ugh, that guy's such a crystal parasite, always leeching off of Merg's success.
"that guy": What's up guys, welcome back, to *insert game that Merg's already played here*.
by Crystal Parasite May 30, 2020
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People that buy a latte to sit in a coffee shop or similar venue for free wifi.
I walked in to a bagel shop for a bagel and noticed a table full of wifi parasites, laptops open, paper and pens out and pure business discussions flowing.
by Marcellus_Wallace October 13, 2014
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A person who adds their name to a gift tag in order to claim partial credit for giving the gift.
I'm totally broke so I had to be a gift parasite and sign on that present you're giving Grandma.
by Bird Turggler November 23, 2009
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HHX parasit er en parasit HHX'er tit udskiller.
Parasitten sætter sig på kloge og produktive mennesker og suger alt produktiviteten ud af dem og fylder dem med dognskap og dårlige ideer f.eks. at købe en MacBook
Jeg arbejdede sammen med HHX'erne hvor en hhx parasit sugede alt min produktivitet ud af mig
by Mr. Mirai March 31, 2016
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An intensely ugly, unattractive, unwanted person. Often used in a self-degrading way. Someone of low intelligence, a Neanderthal.
Man, I made a stupid decision, I'm a parasitic troglodyte.
by sweetswede August 17, 2010
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