Makeshift bong, usually made by burning holes into a plastic bottle with a lighter and then using hoses as downstems with bits of aluminium cut out for the CP
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."