a (fat) lot of good

idiom

Definition of a (fat) lot of good

informal
: no use or help at all "I've brought an umbrella." "A (fat) lot of good that will do now that it's stopped raining!"

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“A (fat) lot of good.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/a%20%28fat%29%20lot%20of%20good. Accessed 23 Jan. 2021.

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