BentB@Sfhead BentB@FromSfhead-PalmAside

American Sign Language

 * The hand may optionally rotate so the palm ends facing forward and/or down.

Etymology
From a typical pattern of negative incorporation into the sign.

Production

 * Twist the hand away from the head in a manner that suggests throwing away.
 * Twist the hand away from the head in a manner that suggests throwing away.
 * Twist the hand away from the head in a manner that suggests throwing away.

Verb

 * 1) not to know; to be unaware of