This is how you sign Smell in American Sign Language.

How to sign

To sign "Smell" in American Sign Language (ASL), your dominant hand is placed with a flat hand and thumb pointing up in front of your nose. Move your hand toward your nose, as if fanning a fragrance.

To sign "Smell" in American Sign Language (ASL), position your dominant hand flat with the thumb up near your nose. Then, move your hand closer to your nose, mimicking the action of wafting a scent towards yourself.