Here are some common ways to sign "cool" in ASL:
1. "Awesome" Sign: This is a popular sign for "cool" and is often used to express enthusiasm or approval. It's done by making a "C" shape with your dominant hand and moving it outward from your chest in a circle.
2. "Good" Sign with a Twist: You can use the standard "good" sign (thumb and pinky extended, other fingers closed) but make a slight twisting motion as you bring your hand down. This adds a sense of coolness or approval.
3. "That's the Stuff!" Sign: This sign is used to express approval or agreement and can also signify "cool." It involves making a fist with your dominant hand and moving it forward and back quickly.
4. "Nice" Sign: This sign is also sometimes used to express "cool." It's done by extending your index finger and middle finger and moving your hand from your chin to your chest.
It's important to remember that ASL is a visual language, and the context of the sign and your facial expressions are crucial for understanding its meaning. If you're learning ASL, it's best to learn from a qualified instructor or native signer to ensure you're using the correct signs and expressions.