A glazed donut told to another glazed donut: we are a deglazing. is like a word game, more than a joke I guess.

一个已经涂上糖浆的甜甜圈对另一个已经涂上糖浆的甜甜圈说：我们来除去糖浆！这像是一个文字游戏，比笑话还高级。

youdao

It's home to the world's third-largest film industry and serves as a breeding ground for Canto-pop, a treacly transmogrification of Western pop-rock that can leave the listener feeling rather like a glazed donut -- coated in sugar but with a big hole in the middle.

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