American Sign Language

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

Production

• This one-handed ASL sign is produced optionally shaking the head “no”:
  1. 
     Posture the dominant hand in the “bent B” handshape at the dominant side of the forehead, near the temple.
  2. Twist the hand away from the head in a manner that suggests throwing away.
  3. 
     Posture the dominant hand in the “bent B” handshape several inches from the dominant side of the forehead, dominant palm facing toward the dominant side.

Verb

(ASL gloss: DONT-KNOW)

1. not to know; to be unaware of

Antonyms

• (not to know): BentB@Sfhead ‎(“KNOW”)