If you think this job is going to be easy, you're in for a 'rude shock'. [=you will be unpleasantly shocked when you find out that this job is not easy at all]
He's about to have a 'rude awakening'. [=he's about to find out something that will shock him unpleasantly]
I was 'rudely' [=suddenly and unpleasantly] awakened from my nap.
(..) sweatsuit and a sheriff's badge. I need the sheriff's badge. For what? You're sheriff of American douche-town! That's rude. Listen. We're going to walk over there, act very inconspicuous. - Okay. No problem. - This has to work. (..)2012 The Dictator
(..) is gonna be just fine. I don't want you to worry about anything. Yeah, how 'bout looking in my eye when I'm speaking to you? It's very rude not to look at somebody in the eye when they're talking to you. It's okay. Don't worry. You're having a rough day. We shot the wrong man. (..)2012 The Dictator