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.
(..) I wouldn't leave you alone. - One little kiss. - Come on, give him a kiss. A man gets lonely guarding the Wall. There's no need to be rude. We just want a little affection. Ooh. Get your hands off her. Brother Derek, Brother Brant, I believe you both (..)2015 TvShow: Game of Thrones Title: The Gift Season: 5 Episode 7