B@SideTrunkhigh-PalmDown-B@SideTrunkhigh-PalmDown RoundVertSidetoside-RoundVertSidetoside

Etymology
Initial of  combined with ASL.

Production

 * Swing both hands repeatedly from side to side in valley-shaped arcs, each hand moving simultaneously with the other hand toward each side.
 * Swing both hands repeatedly from side to side in valley-shaped arcs, each hand moving simultaneously with the other hand toward each side.
 * Swing both hands repeatedly from side to side in valley-shaped arcs, each hand moving simultaneously with the other hand toward each side.

Verb

 * 1) to behave

Noun

 * 1) behavior