Much informative. Very knowledge. Such facts.
The word "Doge" comes from this 2005 Homestar Runner clip.
It didn't really pop up again until 2010, when someone made this very weird, but very popular Tumblr post.
It was supposed to be like you were playing a weird role-playing computer game where you get to pet a dog.
Image may be NSFW.
Clik here to view.