to fluff up one's hair; or, to become annoyed (see Molina)
Alonso de Molina:
ceceyaca moquetza totzon. peluzarse los cabellos, o tomarnos grima. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 15r. col. 1. Thanks to Joe Campbell for providing the transcription.