A person (historically used to refer to women, but the word means both men and women) who has an abnormally high sex drive and craves sex nearly all the time.
"I heard that Stacy was a nymphomaniac."

"Greg is such a nymphomaniac, I bet he doesn't even close pornhub."
by Bizarre Key April 25, 2017
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Hypersexuality: a female whose sex drive is obsessively high. Considered a mental illness, coloqiually means a horny girl. Not to be confused with slut or skank where one's sexual dignity is pathetically low, nymphomania is simply related to an abnormally high sex drive.
Jen fucked me 20 times yesterday, def a nymphomaniac, im tired, she needs tranquilisers
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Lady with standards, who still likes to fuck as much as possible. Not a Slut or Skanks ass hoe.
Kyu is the stereotypical nymphomaniac in Huniepop.
by Vladimir Hutsell July 26, 2015
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A man or a female whose desire for sex is obsessively high resulting in multiple sex per day or excessive masturbation.
Parry: Last night I masturbated 6 times.
Janice: Jeez! you're such a nymphomaniac.
by Reet Awwsum March 26, 2014
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mainly females; never satisfied even after the greatest shag marrathon ever they are still gagging for it.
man: goodnight baby that was so good
nympho: excuse me? goodnight? wtf happened to round two?
by kelly January 8, 2005
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Person addicted to sex; mostly girls, cant get enough sex
Damn, megan wants it all the time. Shes such a nymphmaniac!
by nunya December 24, 2002
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