One might concur that this is the love child of yummy and scrumptious. Only to be used in times where something (usually food) is so overwhelmingly good that the use of one word is simply not enough.
A small piece of information. Derived from the word ken, used often in the scottish language and is synonymous with knowledge.
Person 1: "Hey I don't get this shit. How do you solve this problem?"
Person 2: "I got that one. Give me some kenlets on this assignment and I'll help you w/ that one."