Mostly, people from both sides can understand the meaning, especially when they are in the certain context.

问题不大，基本能够相互理解，尤其是在已知上下文的情况下。

Interestingly, the expression will usually expand from the economically-developed area to other areas. Just like the water flows from the highland. During 1980s-2000, popular experessions  usually came from HK and TW. Nowadays you could observe the changing tide gradually.

通常，词语之类的表达方式会由经济发达地区向其他地区扩散，可以类比水从高处往低处走。80-2000年，大陆的流行语常来自港台，如今