1
general::
Phrase(s): So much for that.
That is the end of that.; We will not be dealing with that anymore. • John tossed the stub of a pencil into the trash. "So much for that," he muttered, fishing through his drawer for another. • Mother: Here, try some carrots. Child (brushing the spoon aside): No! No! Mother: Well, so much for that.
McGrawhill's American Idioms And Phrasal Verbs