to tell jokes; or, to give dishonest advice and lots of it (see Molina)
Orthographic Variants:
tlayellaquetza
Alonso de Molina:
tlaellaquetza. ni. (pret. onitlaellaquetz.) dezir chistes, o consejuelas desonestas y muchas. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 120r. col. 2. Thanks to Joe Campbell for providing the transcription.