Make the sign for "bad"
by placing the fingers of your right hand against your lips. Move your hand
down and away. End with your palm facing downward.
BAD:
Memory aid: Imagine you've eaten something bad and are removing it from your
mouth.
BAD:
There is another common method to sign "BAD." It
uses two hands. It means the same
as the one handed method.
BAD (two handed version)
Also see:
GOOD