Story seed

Aliens arrive, making first contact! They're even humanoid, Oxygen breathers, and friendly. They have mouths and ears and want to learn our languages. But the Aliens' race name for themselves is pronounced "Fuckheads" (or something equally rude).

I'm sure the press & government groups would try something to gloss over the problem, like writing it "Phukheds". But still, could you imagine the snickering?