Icing on the cake is a phrase that is used to describe something that makes an already good situation even better. The term can be broken down into two crossword solutions: TOPPER (6 letters) and Icing on the Cake (3 words). TOPPER is defined as something that is placed on top of something else, such as a hat or a cake. Icing on the Cake is a metaphor for an extra benefit or reward that is added to an already positive situation. Together, these two terms form the phrase 'Icing on the Cake, ' which is used to describe something that makes an already good situation even better.