there's (plenty) more where that came from

there's (plenty) more where that came from

There is an abundance of the thing one is talking about. A: "This stew you made is delicious!" B: "Thank you! There's plenty more where that came from, so eat up!" A: "How did you get your hands on these documents?" B: "My little secret. Besides, there's more where that came from, all proving your involvement in the crime."
See also: came, more, that
Farlex Dictionary of Idioms.
See also:
  • (one's) cup runneth over
  • My cup runneth over
  • leaves
  • seethe
  • seethe with
  • seethe with (something)
  • a mean (something)
  • a mean something
  • mean
  • be spoilt for choice