ducks' and drakes'
1. Also,duck and drake.a pastime in which flat stones or shells are thrown across water so as to skip over the surface several times before sinking.
2. play ducks and drakes with, to handle recklessly; squander: He played ducks and drakes with his fortune. Also,make ducks and drakes of.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.