Sort of like, "fuck", or "damn", but you can say it in front of children, and on NBC in the 1960's. And, yes, this is from the Monkees. However, this is not how they used it. I would just like to see it get used as a swear word.
Michael: "Oh, Micky, your tire blew", Micky: "Kretch!"
by SexxxySleepyJean December 13, 2004