A supposed female user, (although most likely a 50 year old man), of the social platform Discord. Often known to say Uwu, these kittens are predominantly aquainted with notorious discord user Kirro, otherwise known as Callum Gee.
Hey! Did you see that Kirro has a newdiscord kitten? Odds on hes a fat bloke?
A discord kitten is a user on the application discord (application for gamers) where server moderators talk regularly to female users (E-girls mainly) and have feelings for them.