What is All-american-bad-ass?
Is an American that can survive on his own very easily. Usually at a young age. Able to create fires, make a shelter, find edible food, knowing exactly where you are on a map (in the middle of nowhere).
Damn Jimmy is the all-American-bad-ass, that's the biggest fire ever, and it's made out of stones. And he knows exactly where he is, just by looking at some rocks in the distance.