How is “as you do” used?

In The SpongeBob Movie: Sponge on the Run (2020), one line is: “Same as you do with water.”

Which movie is “as you do” from?

The clip at the top of this page is from The SpongeBob Movie: Sponge on the Run (2020).

Same as you do with water.

8 作品で登場 · 1 本目

イディオム

used as a comment on sth that you have just said

49 本の映画に登場

used as a comment on sth that you have just said
He smiled and I smiled back. As you do.

定義：Oxford Advanced Learner's Dictionary 第 9 版