I’ve been there

I've been there

I've also done or experienced whatever is being discussed. A: "I got back to my car a mere three minutes after the meter expired, and I still got a parking ticket!" B: "Ugh, I've been there." Failing a test? Oof, I've been there!
See also: been, there
Farlex Dictionary of Idioms.

I’ve been there

sent. I know from experience what you are talking about. I’ve been there. You don’t need to spell it out for me.
See also: been, there
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • I've been there
  • BTDT
  • mixed feelings
  • mixed emotions
  • 'Tis better to have loved and lost than never to have loved at all
  • Tis better to have loved and lost than never to have loved at all.
  • been to the rodeo
  • rodeo
  • over again
  • (all) over again