I got a letter in the post, Hmm what is this?

micheal scott hand shaking bigger behind tree bart hank eric andre shooting hannibal buress man smacking cards down on table patrick dumb and smart i can haz cheezburger plain bullet dodge flex tape waterproof ares! destroy my enemies catwomanargue another (blank) to (blank) shut up and take my downvote show me the real so your telling me heart two and a half men red button f all my homies hate