(1) A Emoticon Primarily used in a 'Cheeky' 'coy' 'cute' 'flirty' 'goofy' 'ironic' 'Malicious' 'playful' 'P̴u̶r̵e ̴u̵n b r i̶d l e d̶ D̶a̶e m o̴n̶i c̶ ̴e v i̵l̵' 'teasing' or 'sarcastic' way/tone dependent on the context where it is used. This is seen in texts, various memes, cartoons, anime and on various Chat sites, Most commonly; 4Chan, Twitter, Reddit or Discord
(2) It is also often used/seen as a cat, rabbit, seal or a mustached mans face
(1) (2) ^^
Person one: "Hey, do you know where the car keys are?" (•ω•) (Upright version)
Person two: "Hmm, Mayhaps? :3"
":3" is a silly little cat face that is so silly!
Person 1: "brah, what the devils."
Person 2: :3
:3 means that the sender wants to suck the recipient balls deep. It comes from the emoticon combination of :D and c==3 and when combined, :Dc==3 to :(=3 finally having :3
"Come over :3"
A cat person, used to put the impression of a cat, mostly used to be cute