to ruin or devastate something belonging to someone else, or to ruin other people (see Molina)
Alonso de Molina:
xixinilia. nitetla. desbaratar, o deshazer algo a otro, o a otros. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 160r. col. 1. Thanks to Joe Campbell for providing the transcription.