Of a blade, such as a sword or knife, sharp on both edges.
As dangerous for the user as the one it is used on.
Twisted, bent, crooked.
Deviating from the right direction; misdirected; out of place.
Turned away, contorted (of the face or body).
Dryly humorous; sardonic or bitterly ironic.
To twist or contort (the body, face, etc.).
Distortion.