UwU is used by someone who is a softie kawaii teehee nyah wannabe who is annoying as absolute hell.
"UwU!"
"Dear god don't do that.."
"Hehe! W-why onii-chan? Nya-"
"SHUT UP."
"TnT"
"..."
uwu is basically an invitation for someone to rape/touch you inappropriately, yet it's used for "cute people"
girl with asian fetish: awe he's so cute UwU 🥺💕💕
me: wtf- do you even know what uwu means?????
A blonde roblox girl who says it 24/7 for no reason
chad: nice outfit
emily: thanks uwuwwuuwuwuwuw
This word is used to describe something small or cute.
Basically, he had small UwU baby bones. -illymation