to practice gluttony (see Molina)
xixicuinti. ni. (pret. onixixicuintic) glotonear. 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.