I'm walking with a heart of a lion, yeah
A lion heart refers to the boldness of a lion, as courage is often synonymous with heart, and lions are known for possessing “heart” in pretty huge increments.
So, when Cudi says he’s “walking with the heart of a lion,” he’s saying that he’s got a whole bunch of courage. One courageous motherfucker. Like crusader king Richard The Lion-Hearted? (the “Good King” in Robin Hood)
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