Shrewd, sly; often also characterised by a sarcastic sense of humour.
Dryly humorous; sardonic or bitterly ironic.
Deviating from the right direction; misdirected; out of place.
Turned away, contorted (of the face or body).
Twisted, bent, crooked.
To twist or contort (the body, face, etc.).
Distortion.