ニチャる

ニチャる, にちゃるnicharu

godan verb · intransitive

  1. to smirk in a creepy way (like an unsociable otaku)
  2. to make a slimy self-satisfied grin

Study it in Yanamino

Data from JMdict, KANJIDIC2 (EDRDG), KanjiVG, CC-CEDICT and Make Me a Hanzi. Sources and licences