The native or inhabitant of Thanh Hoa Province, Vietnam. Comes from the phrase "Eating pennywort and breaking railway tracks" ( An rau ma, pha duong tau ), which is originated during the wars against the French and Americans, associated with the people of Thanh Hóa, where, despite living in poverty (surviving on pennywort), locals were determined to sabotage enemy railways in support of the resistance.
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."