'falling in on itself' is a correct and usable phrase in written English.
You can use it to describe something that is collapsing, or becoming unstable or unsupportive, generally in the sense of becoming rundown or weakened. For example, you could say: "The economy has been falling in on itself for the last few months."
A dark story in a city falling in on itself might present some audience problems, but Mr. Stillerman noted that the show was opening immediately following the final season premiere of "Breaking Bad," which has thrived on exploring human pathology.Mr.Mr
Her friend's house is falling in on itself.
He smiles more than you might expect, each time displaying a line of small, yellow teeth pushed back like a fence falling in on itself.
Having become verbally more and more terse, it ends with a series of short, fractured scenes: the text at last seems unable to carry its own weight, as if the world is falling in on itself.
My grandmother's house is there, too, and though Joe cannot afford to repair it and make it habitable, he keeps the grass mowed so city officials won't notice that the vacant place is falling in on itself, so that they won't put a condemned sticker on the front door marking it as blight, ready for demolition.
It is even more disorienting to lose them while also in terror for your own life, while a once-solid city falls in on itself.
Sara: The last explosion caused all the windows to shatter and fall in on us.
There were a couple of houses in the same state, and, behind one of them, a barn that had fallen in on itself, with old dark hay bulging out between its cracked beams like swollen innards.
Immediately upon being completed, the dome sagged and fell in on itself.
Standing in front of a vacant lot on 29th Street, Charles Bark, 14, recalled how the house there had quietly fallen in on itself a few days earlier.
Nostalgic entertainment it may be, but the Sell a Door production keeps testing its own limits, as if at any moment it could fall in on itself.
