One who loves the act of using a paper towel tube or toilet paperroll and lubricant to insert a small rodent in their ass.
Simon, Matt and Dennis the felchmongers practice the act of felching daily at 3:09 PM. They are ridiculously aroused by this act of rodents being inside.
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."