born on third base but believes (one) hit a triple

born on third base but believes (one) hit a triple

Said of one who was has enjoyed the benefits of a privileged upbringing but attributes their success solely to their own efforts. A: "His rich daddy set him up with a cushy executive job and all the resources he needed to make the business a success. From the way he goes on about it, though, you'd think he built the whole company out of nothing." B: "Just another guy who was born on third base but believes he hit a triple."
See also: base, believe, born, but, hit, on, third, triple
Farlex Dictionary of Idioms.
See also:
  • triple
  • live up to (one's)/its reputation
  • live up to your/its reputation
  • daddy of them all
  • the daddy of them all
  • judge (one) on (one's) own merits
  • judge one on own merits
  • merit
  • the old boy network
  • the old-boy network