house of cardshouse of cards
any flimsy structure, plan, etc.
Origin of house of cardsin reference, refer to the pastime of erecting simple structures by balancing playing cards on edge
house of cards
nounpl. houses of cards
A flimsy structure, arrangement, or situation that is in danger of collapsing or failing: “The collapse of the rupiah … has brought down a house of cards in overleveraged conglomerates” ( Sander Thoenes )