cost/pay/charge the earth

cost the earth

To be exorbitant or burdensome in expense. A: "Your new car looks pretty slick!" B: "I should hope so, it cost the earth!" All these new taxes and service charges are going to cost the earth.
See also: cost, earth

cost (or charge or pay) the earth

cost (or charge or pay) a large amount of money. British informal
See also: cost, earth

cost/pay/charge the ˈearth

(British English, informal) cost/pay/charge a lot of money: It needn’t cost the earth to refurbish your offices.
See also: charge, cost, earth, pay