What does it mean?(Ni)

[Gar]

Ni had been idly playing with the little prize she had won from Admiral Tarkin. The whimsical device whirled and buzzed between her fingers. When Gadeon approached, the Zeltron eagerly perked up and greeted him with her usual bright smile. It was short lived, thanks to what he said next.

Ni's cheerful expression melted into a pouty face. "But Gaddy Daddy, I thought I was really good this time!!" she protested pitifully, her shoulders drooping, "I did everything you said! And I asked permission!"