我家小怪兽和他家凹凸曼
[wŏ jiā xiăo guài shòu hé tā jiā āo tū màn]
My Little Monster and His PPG-Man. 'PPG-Man' is the name of a Chinese children's cartoon character, representing heroism. Here it could refer to two different types of personalities or beloved figures in their lives, possibly implying an unconventional relationship.