Someone who "leapfrogs" over da truth. Like Fletcher Reede, he'd about "croak" if he was unable to lie.
Speaking honestly is seldom difficult for a person of normal morals, but an amfibbian frequently gets a "frog in his throat" if he attempts to say anything but falsehoods --- what a "toad"!
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."