Top Definition
a small parasitic catfish native to the amazon, that typically feeds off the blood of other fish. However is attracted to urine and has been known to swim up the vagina/penis/anus of nude bathers in the amazon river. Once inside a human host it extends spines on its back lodging it firmly in place where removal is possible through extremly painful surgery, amputation of the organ or the use of herbal medicines that can dissolve the parasite.
I'm never pissing in the Amazon cuz I don't want a candiru to swim up my urethra.
von Zak 13. Januar 2005

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A fish that lives in the amazon and it can swim in your penis when you pee in the water and Dont try and rip it out cause it will devover you dick
That guy got infected by the candiru fish when he pissed in the water
von Corn dip mobile 28. Dezember 2012

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