にちゃっ・にちゃあ・ニチャァ

にちゃっ

表記・読み：にちゃあ・ニチャァ

1. 1

   making a creepy, slimy, self-satisfied grin; smirking in an unsettling way

   副詞（と）名詞onomatopoeic or mimetic wordInternet slang