Meaning of the word "go on at" in English

What does "go on at" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

go on at

US /ɡoʊ ɑːn æt/
UK /ɡəʊ ɒn æt/
"go on at" picture

Phrasal Verb

to complain to someone repeatedly about their behavior or to criticize them

Example:
She keeps going on at me about my messy room.
Don't go on at him, he's already upset.