you can you up

Translated from Chinglish. aka If you can do it then you should go up and do it. It's used against people who criticize others' work, especially when the criticizer it not that much better. Often followed by "no can no BB", which means "if you can't do it then don't even criticize it".

It's a popular phrase in Chinese, generally speaking it means " if you think you can achieve something while you are criticizing others, you go and achieve it". It always use with "no can no bb" which means if you can not achieve it, stop bullshiting" bb means talking shit in Chinese

If you can do it, then get up and do it.