film over

film over

To begin to display a film, a thin membrane that can develop on the surface of some things. Ew, don't eat that soup—it's been sitting out so long that it's filmed over.
See also: film, over
Farlex Dictionary of Idioms.

film over

[for something] to develop a film on its surface. The windows had filmed over because of all the humidity. Her eyes filmed over with the cold.
See also: film, over
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • it's all the same to me
  • it's a wonder
  • it's a wonder...
  • be up to (one)
  • be up to somebody
  • it strikes me that
  • it's on me
  • the way the crow flies
  • if it's all the same
  • a scooch