(Taken from Urban Dictionary)
Nya is simply japanese for meow, while also being fun to use in sentences at random.
Nya is a word they use in Tokyo Mew Mew. bạn can use it when your happy hoặc sad. If bạn get excited bạn could say it. Some people say it instead of hello. Others use it a question. If something makes bạn jump bạn could say it as a reaction. Some say it out of habit.
(Wikipedia)
nya (hiragana にゃあ)
Onomatopoeia The sound a cat makes, meow.
So basically, Nya means Meow. What a cat says. So, now that bạn know, please, dont ask anymore, Nya!
(Yes. I say Nya at school sometimes. School gets boring. Sometimes I try to make school thêm interesting!)