കൊച്ചി കണ്ടവനച്ചി വേണ്ടാ . What exactly does this proverb mean?

Since my childhood, I have always heard this 'Kochi Kandavanachi Venda' phrase/ proverb 🫣. I am from Ernakulam. But I never understood the meaning of it. Could someone please explain its real meaning?