About

This meme is a reaction face usually used to represent an anxious mood or if something is awesome/very funny. It is similar to other reaction faces expressing a feeling towards something on the internet, such as Long Neck Reaction Guy.

Origin

The face came from a comical chart named "What you wrote… What you meant… What you actually did…" The earliest found date for when the comic was published is April 8, 2009 when user paperwasp uploaded it to Reddit. The comic has been spread to other well known websites, like Digg and Tumblr.