| Idiom | Meaning | Example | 
| grandfather | 
to exempt from new rules, to keep it the same,
grandfather clause
 | 
This new law prohibits restaurants from serving french fries,
but restaurants that now serve fries have been grandfathered.
 | 
| grandfather clause | 
a written statement that protects an employee, a right, a privilege, etc.
 | 
They can't demote him or delete his position because he has a
grandfather clause.
 | 
| granola | 
a person who believes in less government and a natural way of living
 | 
Pat is mostly granola. She wants to join a commune, grow gardens and protect the environment.
 | 
| grapevine | 
(See through the grapevine)
 | 
 | 
| grass is greener... | 
(See the grass is greener on the other side of the fence)
 | 
 | 
| gravy train | 
a profitable product, the rest is gravy  
 | 
In 1928, coal was Alberta's gravy train.
 | 
| grease my palm | 
pay me, give me money
 | 
If you want good service, grease his palm. Give him a tip, eh.
 | 
| greased lightning | 
very, very fast; faster than a speeding bullet
 | 
Oh, I've slowed down a bit over the years. When I was a teenager
they used to call me Jimmy "greased lightning" Fraser.
 | 
| greaser | 
a young man with greasy hair, a hoodlum, a hood
 | 
Two greasers were hanging out behind the school.
 | 
| greasy kid's stuff | 
heavy hair dressing, thick hair oil
 | 
None of that greasy kid's stuff on my hair. I use a natural product.
 |