nyan-nyan
A cute, playful version of cat meowing. More childlike and affectionate than nyaa-nyaa, often used by children, in anime, and in casual speech when imitating or talking about cats.
💡A child pointing at a cat — 'Look, nyan-nyan! A kitty cat!'
猫がにゃんにゃんと甘えて鳴いている。
The cat is meowing nyan-nyan affectionately.
The toddler pointed at the cat and said ___ excitedly.
よちよち歩きの子が猫を指さして○○と嬉しそうに言った。