3 ms·

I usually interpret it as "I couldn't agree more."

• sp332 15y ago
  Right, you only use it when the person has completely captured your ideas or feelings on the subject, and you have nothing left to add.
  • philwelch 15y ago
    Then add nothing. Your agreement isn't valuable information.
    • ralmeida 15y ago
      That's the OP's point, yes, but parent comment asked for a definition.