have got all (one's) marbles

have got all (one's) marbles

To be mentally sound or stable. Now that I've gotten a good night's sleep, I'm starting to feel like I've got all my marbles again. Grandma still has got all her marbles, in spite of her other health problems.
See also: all, have, marble
Farlex Dictionary of Idioms.
See also:
  • have got a leg up on (someone)
  • is it
  • many a time
  • think on
  • think on (someone or something)
  • art is long and life is short
  • partially sighted
  • sighted
  • be OK
  • languish