Unbeknownst to the world outside, a solitary driver is engaged in a secret, shameful act. His hand works furiously, his cock leaking pre-cum as he nears the edge. The car rocks slightly with his movements, a silent rhythm that only he understands. He grunts, his body tensing as he paints the steering wheel with his hot, white cum. As the last drops fall, he takes a deep breath, tucking himself away, and merges back into traffic, leaving behind a hidden, sticky secret.