to turn around or cross thighs with another person (see Molina)
Orthographic Variants:
metzuia
Alonso de Molina:
metzuia tito. (pret. otitometzuique.) reboluer o cruzar los muslos vna persona con otra. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 55v. col. 2. Thanks to Joe Campbell for providing the transcription.