It has kept its cool through the centuries - even as its meaning changed drastically. How cool is that? Way cool ... Thompson estimates he uses the word 50 times a day "as an egghead professor ...

If the old line about a picture being worth a thousand words is true ... famous cover art for Snoop Doggy Dogg’s “Doggystyle” album. Joe Cool and Snoop Dogg, by the way, are cousins.