ગધેકું ગધા મીલે, લાત લાત ઓર લાત.

gadhēkuṁ gadhā mīlē, lāta lāta ōra lāta.

Literally: When a donkey meets a donkey, there is kick, kick, and kick.
What it means: When foolish or crude people associate with one another, their interactions inevitably result in conflict and mutual harm.

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.