fall through

Related to fall through: fall through the cracks, fell through

fall through

1. To physically plunge through something. Please don't stand on that rickety part of the floor—you're apt to fall through it!
2. To not be completed or come to fruition; to fail due to some outside circumstances. Oh, we're not going away next week after all—our vacation plans fell through.
See also: fall, through
Farlex Dictionary of Idioms.

fall through something

to fall and break through something. One of the skaters fell through the thin ice. A number of hailstones fell through the roof of the greenhouse.
See also: fall, through

fall through

[for something, such as plans] to fail. Our party for next Saturday fell through. I hope our plans don't fall through.
See also: fall, through
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

fall through

Fail, miscarry, as in The proposed amendment fell through, or I hope our plans won't fall through. [Late 1700s]
See also: fall, through
The American Heritage® Dictionary of Idioms by Christine Ammer.

fall through

v.
1. To drop through some object or surface: The skaters fell through the thin ice.
2. To fail to occur: The trip fell through due to lack of interest.
3. To fail to be carried out: Our plans fell through at the last minute.
See also: fall, through
The American Heritage® Dictionary of Phrasal Verbs.
See also:
  • fall apart
  • due to
  • due to (someone or something)
  • give way
  • dispose of
  • dispose of (someone or something)
  • dispose of someone
  • disposed
  • come away
  • plunge to (one's) death