ગરજે ગધેડાને કાકા કહેવા પડે.

garajē gadhēḍānē kākā kahēvā paḍē.

Literally: In need, one has to call a donkey an uncle.
What it means: When you are desperate, you must flatter even those you despise to get what you need.

Also said as

ગુજરાતી કહેવતસંગ્રહ (Gujarati Kahevat Sangrah) (1923) ગુજરાતી કહેવતસંગ્રહ (Gujarati Kahevat Sangrah) (1921) · 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.