Video prompt: A surfer expertly rides a towering wave, zigzagging across its curling crest before finally diving into the ocean with a splash. Fellow surfers in the distance await their turn, silhouetted against the setting sun.
Defect: Deformation (when Object is involved in an act,  anything in this process that's weird. e.g. people walk into a wall. "Walk" is an act)
Explanation: Surfer's arm deforms