fall in on

fall in on (someone or something)

To collapse inward onto someone or something. The weight of all that snow caused the roof to fall in on us.
See also: fall, on
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

fall in on someone or something

to cave in on someone or something; to collapse on someone or something. The roof of the mine fell in on the workers. The ceiling fell in on the diners.
See also: fall, on
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
See also: