Commonly used term by those who posses certain "Jerry Lewis-like" qualities*, usually found superfluously at the end of a sentence.
*ie. Professor Frink of The Simpsons.
Please don't be touching my machine or you could be causing us terribble pain with the Ouch, and the Flavin...
Shortened edition of "Thank you", often used by those straining to put themselves "Above" everyone else, such as Rockstars, often delivered prior to anything that would warrant the aforementioned thank you.
*song ends*
Lead Singer to Crowd, prior to applause: "K'you"