That's a bullshit question.
4 seconds sound clip from the My Cousin Vinny movie soundboard.
You can hear this line at 01:43:37 in the Blu-ray version of the movie.
Quote context
[...]
- Does that mean that you can't answer it?
- It's a bullshit question. It's impossible to answer.
- Impossible because you don't know the answer!
- Nobody could answer that question.
- Your Honor, I move to disqualify Miss Vito as a expert witness.
[...]