the act of gathering something together, heaping something up (see Molina and Karttunen)
IPAspelling:
tɬɑololoːlistɬi
Alonso de Molina:
tlaolololiztli. el acto de arrebañar, ayuntar, o amontonar algo. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 130r. col. 1. Thanks to Joe Campbell for providing the transcription.
Frances Karttunen:
TLAOLOLŌLIZ-TLI the act of gathering something together, heaping something up / el acto de arrebañar, ayuntar, o amontonar algo (M) [(2)Zp.106,212]. See OLOLOĀ. Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 287.