macayac ica ximocacayahua.

Headword: 
macayac ica ximocacayahua.
Principal English Translation: 

do not lie, deceive, ridicule, or mock anyone (see Molina)

Orthographic Variants: 
macayac yca ximocacayaua, macayac yca ximocacayahua
Alonso de Molina: 

macayac yca ximocacayaua. no engañes ni burles a nadie.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 50r. col. 1. Thanks to Joe Campbell for providing the transcription.