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.
(..) You haven't met some of her great friends? It's just because this happened really quickly. Is it a yes or a no? 'Cause you're kinda holding up traffic here. It's- It's rude. Come on, lady! Well... Look, I think it sounds great. It sounds like fun. Okay, perfect! Wonderful! We've got a deal. (..)2009 TvShow: It's Always Sunny in Philadelphia Title: The Waitress Is Getting Married Season: 5 Episode 5