3\ 

You meant to just hit the Entre/Return key typing in, "3," but accidentally hit the, "\," key with it, resulting in, "3\."

the fact that there was a definition for 3\ made you curious

3\ by SexyHomosexualMale April 16, 2014

3 

that number Gabe can't count to.

Kindergarten teacher: Alright Gabe time to take your counting test!
Young GabeN: 1, 2, 4, 5-
Kindergarten teacher: wait you forgot 3!
Young GabeN: ??? wut?

3 by Sack o' Flaps September 22, 2019

-3- 

-3- represents a kissy face the 3 is the puckered lips and the two - are the closed eyes.

Hope that cleared everything up 😊

-3-

-3- by Chemille June 22, 2018

3: 

An emoticon for a sad kitty.
The opposite of :3
Used when something makes you sad. Or when something is unpleasant.

Person 1: What's wrong?
Person 2: I lost my favorite shirt. 3:

3: by Dr.NerdSauce July 10, 2012

3:-(

This is the netspeak symbol for being teabagged, and not enjoying the experience. For those who do, the symbol is 3:-).

person 1: Oh man how did your b/f wake you up for valentines day?

person 2: 3:-(

person 1: How romantic!

3:-( by Kahlo Netphoria April 28, 2009

:3

A texting face typically used in conjunction with something cute. Known as the "Cat face" or simply, "The Cute Face".

Your kitten is soo cute! :3

:3 by XxXx January 25, 2014

:3

A symbol meant to represent the cat face made by anime characters when they say something clever, or sarcastic, or are commenting on something cute.

"Isn't it just adorable? :3"

:3 by Alex September 28, 2003