炫舞里的人物怎么都那么瘦你要是那么蹦你也会那么瘦
[xuàn wŭ lĭ de rén wù zĕn me dōu nèi me shòu nĭ yào shì nèi me bèng nĭ yĕ huì nèi me shòu]
The nickname makes fun of the thin bodies of characters in a dance game called Showdance. The meaning here is humor and light-hearted, possibly also reflecting social comments about unrealistic beauty standards being pushed in gaming culture or entertainment field.