The Brief: uwu or UwU is a text-based emotion that represents cuteness, happiness, or smugness.

DEEP DIVE
It sort of looks like a face with closed eyes and a curvy mouth. It’s a popular term among KPOP stans.
big uwu energy
— Joined November 2011 (@Michael5SOS) July 10, 2018
replace any bts song title with uwu
— #YX β’ π D -11 : Κα΄α΄α΄Κ Κα΄κ±α΄α΄α΄ α΄ α΄Κ !!! (@JIHOPESQUEEN) September 5, 2018
Fun fact: "uwu" is from the song Dancing On My Own
"I'm giving it my all
I'm not the guy you're taking home
uwu
I keep dancing on my own"— A (@uhhllec) September 5, 2018