How is “dump on” used?

In Wayne's World (1992), one line is: “I'm sorry. I didn't mean to dump on you.”

Which movie is “dump on” from?

The clip at the top of this page is from Wayne's World (1992).

I'm sorry. I didn't mean to dump on you.

8 作品で登場 · 1 本目

句動詞

to criticize sb severely or treat them badly

くだけた · アメリカ英語 · 10 本の映画に登場

定義：Oxford Advanced Learner's Dictionary 第 9 版