This is how you sign Dessert in American Sign Language.
To sign "dessert" in American Sign Language (ASL), use your dominant hand to brush your chin with your fingers, moving back and forth and then hold two "D" hands in front of you. The hands are horizontal, the index fingers pointing upward. Start with the hands about 3 inches apart. Bring the "D's" together so and tap the bellies of the D's twice.