| Idiom | Meaning | Example | 
| for a dog's age | 
a long time, 10-15 years, in a coon's age
 | 
We haven't seen Aunt Sophie for a dog's age - for years.
 | 
| for a song | 
for a little money, for a low price
 | 
Look at this sweater. I got it for a song at a second-hand store.
 | 
| for all the tea in China | 
(See not for all the tea in China)
 | 
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| for better or worse | 
during good times and bad times, through thick and thin
 | 
When you marry someone for better or worse, you hope for  better but prepare for worse.
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| for crying out loud | 
before I start crying, for gosh sake
 | 
For cryin' out loud will you stop playing those drums!
 | 
| for dear life | 
to save your life, because a life is in danger
 | 
When the bear stood up on its hind legs, we ran for dear life.
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| for good | 
forever, permanently
 | 
Remember, a tattoo stays on your skin for good - forever.
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| for good measure | 
adding enough or a bit more than required
 | 
For good measure, we added a bottle of wine to the punch.
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| for goodness sake | 
for the good of everyone, please
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For goodness sake, don't drive so fast! The roads are icy.
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| for gosh sake | 
for god's sake for goodness sake
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For gosh sake! Where did you get that monstrous hat?
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