a lack of courtesy and refinement in speaking (see Molina)
Orthographic Variants:
mamaceuallatoliztli
Alonso de Molina:
mamaceuallatoliztli. descortesia tal. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 51v. col. 2. Thanks to Joe Campbell for providing the transcription.