What does the idiom hand in sand mean?

The idiom "hand in sand" is not a commonly used phrase. It's possible you might be thinking of a different idiom or phrase, or perhaps you've misheard it.

If you could provide more context or details about where you heard this phrase, I might be able to help you figure out what it means.

For example:

* Was it spoken in a specific situation? (e.g., during a conversation about procrastination)

* Did it have a particular tone? (e.g., was it a positive or negative statement?)

* Was it part of a larger phrase? (e.g., "burying one's hand in the sand")

With more information, I can help you decipher the intended meaning.