Green’s Dictionary of Slang

(US Mex. teen) bastard, as insult.

1970		J. Wambaugh New Centurions 122: ‘I‘m going to sue you, motherfucker,’ said the raspy sobbing voice [...] Gonsalvez tightened his grip on Serge‘s arm. ‘Don‘t listen to that cabrone’.
1993		L. Rodríguez Always Running (1996) 140: ‘Pinche cabrones,’ she managed to say.