to thrust oneself in, or quickly mix in with other people
Orthographic Variants:
calactiuetzi
Alonso de Molina:
calactiuetzi tetlanni. (pret. tetlan onicalactiuetz.) arronjarse o meterse entre otros. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 11r. col. 2. Thanks to Joe Campbell for providing the transcription.