to speak of difficult and subtle things (see Molina)
Orthographic Variants:
ouica tlatoa, ohuica tlahtoa
Alonso de Molina:
ouica tlatoa. n. (pret. onouicatlato.) hablar cosas dificultosas y sotiles. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 78r. col. 2. Thanks to Joe Campbell for providing the transcription.