ぬこalso: ぬっこFreq.FrequencyTop 100,000Meanings1nouncat; kittyinternet slangInternet slang for cat, often used affectionately or playfully. Derived from a cute or baby-talk pronunciation of ねこ.See also: ねこうちのぬこがまたキーボードの上うえに乗のってる。My kitty is sitting on the keyboard again.このぬこ、めっちゃかわいい!This cat is super cute!