Not really. Kurwa is used when someone gets angry, or even use it every 2 words. It doesnt really mean anything in this sentence.
kamasze z ciebie tylko zostana - means he will beat you or do something so badly that only boots will stay and the rest will be gone. Kamasze means army boots btw.
I find it funny that you can see Confederate Flag on Murzynka's photos, generally recognized as a symbol of the South and basically a symbol of slavery and racism.