fall in for something—be due for a share of smth., such as punishment, criticism, etc.:
- Sally fell in for a lot of trouble when she bought a used car.
Note: The expression does not correlate in meaning with the phrase fall for something—(coll.)
1. become very keen on or enthusiastic about smth.:
- I have quite fallen for this year’s purple colors.
2. be tricked into accepting smth. as genuine or true:
- Everyone seems to fall for his charming manner.
fall in with something—
1. happen to meet smth.:
- We shall fall in with plenty of boats if we coast it up to Palermo.
2. agree with smth.:
- It simply would not be understood if we did not fall in with this reasonable suggestion.