The term 'NI-I-I-ICE!' can be broken down into four words: SWEET, OOH, ZOWIE, and OHYEAH. SWEET is an adjective meaning pleasing to the senses, especially through having a delicate or delicious flavor. OOH is an interjection used to express surprise, admiration, or strong emotion. ZOWIE is an exclamation of surprise or admiration. OHYEAH is an expression of agreement or enthusiasm. Together, these words create an expression of excitement and joy.