The gaming equivalent of being side tracked, distracted. Becoming obsessed with an object or person because you irrationally believe that it will somehow be to your benefit later.
Billy was going to slay the evil dragon, but he was side quested by a meaningless glowing rock in the forest before he could get around to it.
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."