humorous Used in reference to a very confined space: there’s not even room to swing a cat!
[cat in the sense 'cat-o'-nine-tails']
More example sentences
- You don't need to have been inside a dog trap yourself to understand that there isn't room to swing a cat in there,
- We have a splendid cabin and there's plenty of room - but in most places there isn't room to swing a cat.