To contract the muscles of one's face so as to draw their facial features together, out of pain, discomfort, uncertainty, etc.
To crumple and squeeze to make more compact.
A crunching noise.
To twist or contort (the body, face, etc.).
Deviating from the right direction; misdirected; out of place.
Turned away, contorted (of the face or body).
Dryly humorous; sardonic or bitterly ironic.
Twisted, bent, crooked.
Distortion.