Listen to the sound clip I don't know from Jack Nicholson Sounds: I don't know I don't know This sound is from Jack Nicholson Sounds Contains over 180 sounds from soundboard legend Jack Nicholson, including angry, complaining, military, ordering food, and more. Audio is from A Few Good Men, As Good as It Gets, and Something's Gotta Give. Go to the full soundboardwith more sound clips Search