Alex from [[Yiik: A Postmodern RPG]] grabbing his head with two hands and holding his mouth agape as if he is screaming. Gained prominence as a reaction and as source material for redraws and remakes. The phrase is also used as the online slang counterpart for "freaking out."

h4. External links
"KnowYourMeme: Yiiking Out":https://knowyourmeme.com/memes/yiiking-out
yiiking out (meme)