a rod for (one's) (own) back

(redirected from rod for their back)

a rod for (one's) (own) back

Future problems caused by something ill-advised that one is doing in the present. Primarily heard in UK. I'm telling you, if you don't get some more exercise now, you'll be making a rod for own back when you get older. These reckless investments a going to turn into a rod for their backs down the line.
See also: back, for, rod
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