how to sign the word acerbityacerose

To sign the word acerbityacerose, use your dominant hand to make a “Y” shape with your fingers pointing towards your non-dominant hand, which is held flat with palm facing up. Then, move your dominant hand towards your non-dominant hand while keeping the “Y” shape and slightly twisting your wrist back and forth. This motion represents the sharpness and bitterness associated with acerbityacerose.