atlanematcachiuhtli.

Headword: 
atlanematcachiuhtli.
Principal English Translation: 

something done an inconsiderate way (see Molina)

Alonso de Molina: 

atlanematcachiuhtli. cosa hecha sin consideracion ni cordura.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 8r. col. 2. Thanks to Joe Campbell for providing the transcription.