It's only clever in the same way that you think swearing is clever when you're a teenager.
Unfortunately, that's the market they aim at, so it works.
When you're a bit older, it jars a bit - but I'm no prude, I swear as well, just not all the time. I hear teenagers in the street swearing every other word, it feels like someone's hitting you over the head with a rock at times.
She's as nervous as a very small nun at a penguin shoot.