"And who the hell are you, if it's not a rude question?"

Among men as old as they, it isn't a rude question at all.

B'Elanna asked without thinking whether it might be a rude question.

You asked a rude question, you'll get a blunt answer.

What is the rudest question you can ask a woman?

The title poses a rude question about what business she had going to art school at this late date.

It was a very rude question, but one that law mandated must be answered.

Modesty said, That's a very rude question when somebody gives you a present.

Why are you here all by yourself, if it's not a rude question?

"If one may be excused so rude a question: where are you from?"