A person who lives in a foreign country but rejects the local culture, complains about how different is than their home country and makes no efforts to learn the language.
Those oldguys that live down in costa rica are panthers. They refuse to learn the local language.
A young male g, ie. someone who has a lot of street cred and can handle he self (usually said of a young black man) More generally, a man who is street, and seen as an outcast or rebel from mainstreamsociety.