It's hard to imagine the English language without the word cool as a colloquial description of someone or something first-rate. Over the past half-century of usage, the word has become so omnipresent that it has lost much of its slangy patina. Slang-watcher Connie Eble noted here that when she asks her students at the University of North Carolina to list items of slang, they don't even think of cool, since "it's just ordinary vocabulary for them." How did cool first break through to the mainstream?  Continue reading...