A cute-looking chick with cat ears, a tail, and maybe paws and a few patches of fur. Catgirls usually act rather cat-like and always succeed in being very very cute and sexy.

Catgirls walk the line between Furry and anime. They have made furries of anime fans, and anime fans of furries.
by Mattersy January 10, 2004
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In anime a girl with feline characteristics, usually with some fur, a tail and pointy little cat ears.
by Anonymous August 15, 2003
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Girls in their young teens who frequent scifi, gaming, and anime cons. That usualy sport cat ears and spout broken, often incorrect Japanese in an attempt to be more like an anime character.

That are prone to loud and ocasionaly violent outbursts in an attempt to get attention.
"That girl just threw her underwear at that Kenshin cosplayer."
"Damn cat girls"
by Yuzuki January 31, 2005
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Catgirl is an egirl on discord that meows.
Yo you saw dat guy dari got himself a catgirl?
by asasdasdasdsadasd123 August 7, 2021
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A creature that combines characteristics of cat (usually ears and a tail) and a large-breasted young woman. Their very existence draws the wrath of god-- who has sworn to himself to smite a catgirl every time someone bring rationality into an irrational setting ('cause god doesn't like people ruining his suspension of belief either.) Most commonly this is by trying to bring physics into a fantasy world.
Remember kids, every time you try to drag real life physics into a made-up setting, God kills a catgirl. So do it at every possible opportunity!!!
by Ink Eyes August 19, 2007
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If they were ever real (Even if it was just one) every anime fan in the world would likely honour her as some sort of god or ruler of the planet in a matter of days after the existence was proven.
All world order would crumble and rise from the ashes within a matter of days with everyone following the one Catgirl (Probably more but who cares one would be enough to do this) to lead us all into a new era that would be like it is now but just much nicer knowing that your ruler of the world was a catgirl or catgirls
Anime fan: A Catgirl exists

Every Anime fan in existence: Hail to the new Catgirl ruler of us all!!!!!! *All politics of the world crumble in one beautiful moment*

Anime fan: Today was a good day for all anime fans *Does vulcan catgirl salute*
by Meta Tam When Hi Non June 9, 2009
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A cute and awesome (mainly anime) girl that has cat ears and a tail They often say Nya and act cat-like. They are very popular in the anime fandom. If only they were real.
My favorite catgirls are
1. Sanada (UFO Princess Valkyrie)
2. Raku (Nyan! Neko Sugar Girls)
3. Mew Mew Ichigo (Tokyo Mew Mew)
by YunoGasaiRenaRyuguu August 12, 2013
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