to deflate a leather wine bag or ball filled with air (see Molina)
Alonso de Molina:
ihioquixtia. nitla. (pret. onitlaihioquixti.) deshinchar bota o pelota de viento. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 36v. col. 1. Thanks to Joe Campbell for providing the transcription.