ateyequitoani.

Headword: 
ateyequitoani.
Principal English Translation: 

someone with a foul mouth (see Molina)

Alonso de Molina: 

ateyequitoani. maldiziente.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 7v. col. 1. Thanks to Joe Campbell for providing the transcription.