Food drink idioms 5
a grain of truth (a very small amount of truth): There is not a grain of truth in what she said.
a greasy spoon (a dingy small cheap restaurant): We all got sick after eating at a greasy spoon.
a knuckle sandwich informal (a punch in the mouth): If you don’t shut up, you’ll get a knuckle sandwich!
a liquid lunch (drink alcoholic drinks instead of eating food): We had just a liquid lunch at John’s house, I’m starving.
a meal ticket (a source of regular income or livelihood): A university degree is not a meal ticket for life indeed.
a nest egg (a sum of money saved for a future purpose): He did not even build up a nest egg for his retirement.