ડુંટી ઉપરના વાળ તાંબાના નહીં ને બાબાના નહીં.

ḍuṁṭī uparanā vāḷa tāṁbānā nahīṁ nē bābānā nahīṁ.

Literally: The hair on the navel belongs neither to copper nor to the baby.
What it means: Said of something entirely useless that serves no practical purpose for anyone.

ગુજરાતી કહેવતસંગ્રહ (Gujarati Kahevat Sangrah) (1923) · read from the scan by machine — the Gujarati itself is unchecked · English is machine-made and nobody has checked it yet

Heard it differently, or know we've got the sense wrong? Tell us — that is exactly the kind of correction this needs.