મસ્તાને હાથી, પોતાને હાથે પોતાના માથા ઉપર ધૂળ નાંખે છે.

mastānē hāthī, pōtānē hāthē pōtānā māthā upara dhūḷa nāṁkhē chē.

Literally: An intoxicated elephant throws dust on its own head with its own trunk.
What it means: A foolish or arrogant person brings ruin and disgrace upon themselves by their own actions.

Also said as

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.