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Phrase(s): The shame of it (all)!
That is so shameful!; I am so embarrassed; I am shocked. (Considerable use jocularly or as a parody. Compare this with For shame!) • John: Good grief! I have a pimple! Always, just before a date. Andy: The shame of it all! • Tom: John claims that he cheated on his taxes. Bill: Golly! The shame of it!
McGrawhill's American Idioms And Phrasal Verbs