Meanings
From the earliest film-editing process, which involved manually removing (cutting) unwanted scenes, leaving the film scraps on the floor of the room used for editing (the cutting room).
How to pronounce "on the cutting room floor":
AU
Not included in the finalized version of something; deliberately rejected or unintentionally overlooked.
Example Sentences
1
After hours of filming, many scenes ended up on the cutting room floor.
2
The director decided to leave that unnecessary dialogue on the cutting room floor.
3
Unfortunately, my favorite scene was ultimately left on the cutting room floor.
4
The editor had to make some tough decisions about what to keep and what to leave on the cutting room floor.
5
Some of the best jokes ended up on the cutting room floor because they didn't fit the pacing of the movie.