Teach your baby the sign for the word cloud in baby sign language with the following description and video.
Form both hands into claws. Hold the hands in front of the face with the palms facing. Rotate the hands back and forth in opposite directions.
Acredolo, Linda & Susan Goodwyn. 2009. Baby signs: How to talk with your baby before your baby can talk, 3rd edn. New York: McGraw Hill.