The term DELIGHTED EXCLAMATION is composed of three words: AAH (3 letters), OOH (3 letters), and SQUEALOFAPPROVAL (16 letters). AAH and OOH are both interjections that express surprise, joy, or excitement. SQUEALOFAPPROVAL is a combination of two words: 'SQUEAK' and 'APPROVAL'. It is an expression of joy and APPROVAL, usually in response to something that has been said or done. Together, these three words form a phrase that expresses extreme delight and enthusiasm.