我是灯泡我会发光我是太阳我会发亮
[wŏ shì dēng pào wŏ huì fā guāng wŏ shì tài yáng wŏ huì fā liàng]
This nickname is a playful exaggeration where the person compares themselves to a light bulb and the sun, suggesting they have great energy and radiance. It conveys enthusiasm and self-confidence.