Wherever I originate from, and I understand that the which means is the same in Mexico, "chusma" is used to consult with "minimal class" people today. The best English equal I can imagine is "riff-raff" trae a memoria la famosa frase de doña florinda cuando le dice a kiko, NO https://plastazoteinsolesforhappy79023.blogoscience.com/39743414/chusma-ligar-for-dummies