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.
(..) Wait. l don't have to leave. This is my part of the ship. You leave. Well, well, well ! Now who's being rude ? What is this stupid thing you're carrying around ? So what are you ? An artist or something ? Well... these are rather good. (..)1997 Titanic
(..) - Can't you just answer the question ? This is absurd. You don't know me and l don't know you,... ..and we are not having this conversation. You are rude and uncouth and... l am leaving now. Jack... Mr Dawson, it's been a pleasure. l sought you out to thank you... - And you insulted me. (..)1997 Titanic