and now to leave while making this face
Edit, nevermind I'm a moron who fails at spelling and google. Here's the sauce:
so yeah it's just a 4chan thing that caught on.
Why you don't aim yer guns like you do in yer vidja games
@ Eminem thing, I thought it was due to a version of this which came out years ago? Was featured on a Cracked article about the weirdest things on the internet.