Refers to a really huge cock, both long and thick, that could rip an arse (specifically the hole) apart upon entry and subsequent continuous rough thrusting. A cock that makes one scream.
This was a north east response to the question- how's your belly for spots? It meant I am ok.
Exchange between friends-- how's your belly for spots?
Response -- same as me arse for blisters.
These were greetings and response indicating all is ok.
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."