to ridicule someone or have a good time at the expense of another's bad behavior (?) (see Molina)
Orthographic Variants:
tepan nauia
Alonso de Molina:
tepan nauia. (pret. otepan naauix.) escarnecer deotro, o holgarse desu mal. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 102r. col. 1. Thanks to Joe Campbell for providing the transcription.