What does "uwu" mean?

[Ep17]

I always see people with anime profile pictures saying it.

[Jake]

I think that u's are supposed to be eyes and w is a face but im not sure, at least thats how it is in OwO, i think

[Spawn of Totoro]

https://www.reddit.com/r/OutOfTheLoop/comments/31z0br/how_is_uwu_an_emoticon_i_just_cant_see_it_what_is/

"UwU or uwu is another way of typing the smiley face :3, TwT or twt. it means happy, like an anime character's face when they're overjoyed."

Thank you Google.