20 Hilarious Slang Words For 'Cool'

Want to show you're down with what's happening? Instead of just saying 'cool', try some fun alternatives. There's a range of cool slang to choose from, including some funny and lesser-known words. If you're a 70s kid, you might say things are 'copacetic'. Others might opt for 'right on' or 'peachy keen', depending on where they grew up. We can't pinpoint the origin of 'peachy keen', but it's a fun phrase nonetheless. If you like this list, upvote your favorite expressions for 'cool' and you might even pick up some new slang terms. This list is a great way to kill a few minutes and boost your vocabulary - it's hunky-dory!