Used in informal contexts, often in speech rather than formal writing. I’ve heard ideas floating about on how to improve our school's festival.
Pro Tip 2/3
No solid plan
Suggests a lack of concrete plans or a casual approach to ideas or suggestions. There are a few suggestions floating about, but nothing's been decided yet.
Pro Tip 3/3
Spread Unintentionally
Indicates information or rumors are being spread without a clear source or intent. The story about the haunted library just started floating about one day.