- to disagree with someone about something
- the result of an action
- when someone moves out of line
- to lose one’s position on something
- to come out of place
- to leave an event
- I had a fall out with my mom about her losing my earrings.
- My sister and I had a fall out a few years ago and we haven’t spoken in years.
- If I had known what the fall out would be, I would not have told them about my new business venture.
- When he fell out of line the whole formation was a disaster.
- When I fell out of my chair everybody laughed at me.
- I forgot to buckle my little sister into her stroller correctly so she fell out.
- My cat fell out of the tree and hit my car, I think she cracked the windshield.
- I can’t get braces until all of my baby teeth have fallen out.
- I have a test tomorrow morning, I will need to fall out.
It is not clear exactly where the phrase originated, but it is believed to be related to a military operation, where soldiers fall out of line.