チクる
chikuru

Godan Verb (ru)

1. to tell (on someone); to tattle; to snitch

Transitive
Colloquial
くそー、渚 なぎさのやつ、本当 ほんと先生 せんせいにチクりやがった。
kusō nagisano yatsu hontōni sensēni chikuriyagat. ta
Dammit, that pest Nagisa, she really went and snitched on me to the teachers.
Other forms: