The term SO GROSS can be broken down into four words: ICK, UGH, BLEH, and YECH. These words are all expressions of disgust or revulsion, and are often used to describe something that is unpleasant or distasteful. ICK is a short, sharp sound of disgust, UGH is an expression of strong disapproval or dislike, BLEH is an expression of boredom or apathy, and YECH is an expression of distaste or revulsion. Together, these words form a phrase that conveys a strong feeling of revulsion or disgust.