A blunt (hollowed out cigar, preferably a honey dutch) filled with weed, pot, grass whatever you would like to call it and rolled together similar to a joint.
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."