How is “be on at” used?

In Beautiful Thing (1996), one line is: “- That's what I said. - What are you going on at me for, then?”

Which movie is “be on at” from?

The clip at the top of this page is from Beautiful Thing (1996).

- That's what I said. - What are you going on at me for, then?

2 作品で登場 · 1 本目

to keep asking or telling sb sth so that they become annoyed or tired

くだけた · 非難 · 3 本の映画に登場

オックスフォード映画の 33%
to keep asking or telling sb sth so that they become annoyed or tired
- That's what I said. - What are you going on at me for, then?

定義：Oxford Advanced Learner's Dictionary 第 9 版