萌萌萌自然萌呆呆呆天然呆
[méng méng méng zì rán méng dāi dāi dāi tiān rán dāi]
'Meng Meng Meng naturally cute Daidai Dai naturally silly' indicates someone is extremely kawaii, which means they have an endearingly innocent and charming way about them to an overwhelming degree.