a fat lot of good/help/use

a fat lot of good

Something that is useless or not worth the effort. A fat lot of good that did me, spending all that time carefully wrapping the ceramic mugs only to drop the box on the floor and break them all.
See also: fat, good, lot, of

a fat lot of use

No use or help. Used to describe something that is useless, unhelpful, or not worth the effort. A fat lot of use that did me, spending all that time carefully wrapping the ceramic mugs only to drop the box on the floor and break them all.
See also: fat, lot, of, use

a ˈfat lot of good/help/use

(spoken) not at all good/helpful/useful: A fat lot of use that would be! What a stupid idea.He was a fat lot of help, I must say!
See also: fat, good, help, lot, of, use
References in classic literature ?
It is a matter of life and death, a road either to safety or to ruin.
Yes: it is a matter of life and death, Alan, and to more than one person.
I am here on a matter of life and death, and if that door which you have locked was open at this moment, nothing you could say or do would induce me to pass through it.
The thing seemed clear enough; it was a matter of life and death.
Although she would infinitely have preferred a personal interview with Noel Vanstone, there was no choice on a matter of life and death but to save the precious hours by writing to him.
I bethought me of your flimsy things,” cried Natty, throwing loose the folds of a covering buckskin that he carried on his arm, and wrapping her form in it, in such a manner as to envelop her whole person; “ now follow, for it’s a matter of life and death to us all.
My lord, it is a matter of life and death," said the priest.