| Idiom | Meaning | Example | 
| in a blue moon | 
(See once in a blue moon)
 | 
 | 
| in a cold sweat | 
very nervous or scared, scared spitless
 | 
As Doug waited to speak to the audience he felt breathless and
shaky. His hands felt cold and damp. He was in a cold sweat!
 | 
| in a coon's age | 
in many years, for a long time, for a dog's age
 | 
Hello, Uncle Henry! I haven't seen you in a coon's age!
 | 
| in a family way | 
pregnant, a bun in the oven
 | 
Carey's in a family way. She's due to have her baby soon.
 | 
| in a fix | 
in a bad situation, in a jam
 | 
Without matches or food, the lost boys were in quite a fix.
 | 
| in a flap | 
worried or upset, in a hurry
 | 
Kate is in a flap again. Her dog is sick.
 | 
| in a flash | 
very quickly, in no time
 | 
If you're in trouble, Superman will be there in a flash.
 | 
| in a flutter | 
(See in a tizzy)
 | 
 | 
| in a funk | 
in a bad mood, frustrated, in a snit
 | 
Rick is in a funk today because Muriel hasn't called him.
 | 
| in a jam | 
in a difficult position, in trouble
 | 
I was in a jam. I had no money to pay the rent.
 |