Klerp

noun - a distinct, relatively high-pitched sound made by an individual or group of people to indicate pleasure derived from the way things are turning out in any given situation, one's present circumstances or an event that just transpired or that one just became aware of, or the prospect of such pleasure; pronounced "du-duuu!!" with the second syllable at a lower pitch than the first. verb - the act of making a relatively high-pitched sound (pronounced "du-duuu!!" with the second syllable at a lower pitch than the first) as an expression of pleasure derived from the way things are turning out in any given situation, one's present circumstances or an event that just transpired or that one just became aware of, or the prospect of such pleasure.