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.

Is the phrase used mainly in south florida to describe the sexual appeal of a person, "you can get it" is meant in the sense that the person (who can get it) is sexually appealing enough to the person making the statement, that at any point in time, the person can get "it" meaning sex.

You can't do it

Ok, let’s say someone asks you if they can have a samwich. If you don’t feel like making a samwich for them, just tell them that they can. This will give them a false sense of security for about ten seconds until they realize that you have only let them know that they are capable of having a samwich, and are in fact not going to make them a samwich.

Can you just come to Venice?