When you fuck a lady up the vagina for a bit whilst fingering her arsehole so that you can later secretly slip your dick out and shove your massive erection right up her arse.
I just doublebanged Elaine and she noticed and screamed for me to stop.
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."