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:
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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)
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Also see:
GOOD