so much for, that's all that can be said.Ex: So much for that — let's talk about something else.
Ex: He arrived half an hour late — so much for his punctuality!
so much for - Definitions from Dictionary.com
so much for, that is the end of something.Ex: He told me how his parents divorced, then said, “So much for the storybook romance.”
Ex: A bird hit my windshield, and I thought, so much for that bird.
Usage notes: usually said about a disappointing end
so much for - Idioms - by the Free Dictionary, Thesaurus and Encyclopedia.
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