noun, noun or participle which takes 'suru', transitive verb, intransitive verb
telling on someone; tattling; snitching
Refers to informing an authority figure about someone's misbehavior, often with a negative connotation of betrayal or childish tattling. Commonly used with する.
弟が母に告げ口をした。
My little brother tattled on me to our mother.
彼は同僚のミスを上司に告げ口した。
He snitched on his coworker's mistake to the boss.