The discreet exchange of two items, usually drugs and money, disguised as a handshake. usually followed by putting the hand that was used into ones pocket.
"Ill meet you out front. Its gonna be a quick hand n hand, I'm in a hurry."
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."