a roar, or a noise from people who are kicking or pounding with their feet, or hitting people (see Molina)
Alonso de Molina:
tlacomoniliztli. estruendo de patadas o de golpes. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 118v. col. 2. Thanks to Joe Campbell for providing the transcription.