| Idiom | Meaning | Example | 
| old coot | 
an old man, geezer
 | 
That old coot, as you call him, is a person with feelings.
 | 
| old flame | 
a former lover, an old sweetheart
 | 
In Toronto, I met an old flame. We were lovers many years ago.
 | 
| old goat | 
an old man, a cranky man
 | 
Henry Wilson - that old goat - told the kids to get off his lawn.
 | 
| old hat | 
an old idea or fashion, passé
 | 
Sunday picnics are old hat. They're not popular now.
 | 
| old man | 
(See my old man)
 | 
 | 
| old money | 
an inheritance, money that has been in the family for decades
 | 
She bought that property with old money - money that her great-grandfather saved.
 | 
| old wives' tale | 
a myth, an old story that contains little truth
 | 
One old wives' tale says that goose fat will cure a cold.
 | 
| on a full stomach | 
with a stomach full of food, soon after eating a meal, 
on an empty stomach
 | 
I've heard that it's not a good idea to run or do strenuous exercise
on a full stomach.
 | 
| on a lark | 
carefree, happy in a natural way
 | 
It's fun to be with him when he's on a lark - when he's carefree.
 | 
| on a pedestal | 
in the position of a hero, in a high place
 | 
If you put your girlfriend on a pedestal, she won't respect you.
 |