It's supposed to be a coy internet smiley face, resembling something like a cat, cuteness in nature.

I personally think it looks like a ballsack mouth.
Woman: Meow!! :3

Man: I'm gonna teabag your ass! :3
by Sasquatch1337 August 11, 2010
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an emoji made by characters to show you are in an uwu mood
me: :3
my gf: 😉
by little fishy :3 March 23, 2020
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a snikkin adorable emoticon to use when u feel like amazness
it can also be typed as ;3 :#3 >:3 and many other ways
yay :3
HAHAHAHAHAH I'M SO EVIL >:3
omg i love ur hawt cheeks :#3
by bubblesisafurry December 31, 2019
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An anime face that resembles a kitten's face, it is often used to indicate sarcasm, 'I didn't do it!' kind of thing, or seeing something cute. Some anime characters, like Konata from Lucky Star, has the kitty face. It has a colon, ended with the number 3.
Person 1: This image is so cute! :3

Person 2: I didn't post it! :3
by MisaTange July 7, 2009
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It means fuck you Josh it's not a kiss
No Josh I love you, but it's still :3 does not mean a kiss-
by ForeverScreechingMemes November 10, 2017
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Contrary to popular belief, this is actual a pair of balls on someone's face.

"Ballface"
Guy 1: "I'm so clever :3"
Guy 2: "haha, it's a ballsface!"
by Superawesomedoodprinny January 4, 2009
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An emoticon used to resemble a smile or grin that is usually expressed by anime and/or manga fans.
"Lol, I LOVE NARUTO SO FREAKING MUCH :3" (Sorry if I'm stereotyping)
by Thatoneguy95lovaxD October 9, 2011
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