pick somebody's brains

pick (one's) brain(s)

To ask one questions in order to obtain detailed information or advice. You should pick John's brain sometime. He knows all about car engines. I've just started playing professionally, and I'd love to pick your brains for any tips you might have.
See also: pick
Farlex Dictionary of Idioms.

pick somebody’s ˈbrains

(informal) ask somebody who knows a lot about a particular subject for information or ideas: I need some help with this project. Can I pick your brains?
See also: brain, pick
Farlex Partner Idioms Dictionary
See also:
  • hit home with (one)
  • (one's) back is up
  • a fly on the wall
  • fly on the wall
  • be over the hills and far away
  • for the ride
  • go along for the ride
  • be/go along for the ride
  • along for the ride
  • along for the ride, to go/to come/just