The 'fiscal' dividend alone would justify the policy of environmental taxation and the environmental benefits, whatever their magnitude, would be 'gravy'.
These rolls were perhaps used as a supplementary spoon to sop up sauces and gravies.
Arrange them on a dish, and pour round them either a good gravy or hot tomato sauce.
People who say that this institution is just a 'gravy train' are wrong.
It must not be allowed to become a gravy train.
Only yesterday, we heard that there have been about £3 billion-worth of inefficiencies/fraud and that the gravy train is speeding out of control.
On top of that there is fraud—about £7 billion of it—or what is known as the "gravy train".
It is an obscenity and an example of the way in which the gravy-train atmosphere has permeated the electricity and gas industries since privatisation.