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Idioms for frosting
OTHER WORDS FROM frostingnon·frost·ing, adjective
Words nearby frosting
British Dictionary definitions for icing on the cake
Idioms and Phrases with icing on the cake
Also, frosting on the cake. An additional benefit to something already good. For example, All these letters of congratulation are icing on the cake, or After that beautiful sunrise, the rainbow is just frosting on the cake. This metaphoric expression alludes to the sweet creamy coating used to enhance a cake. [Mid-1900s]