tlatlatoa.

Headword: 
tlatlatoa.
IPAspelling: 
tɬɑhtɬɑhtoɑː
Alonso de Molina: 

tlatlatoa. ni. (pret. onitlatlato.) parlar o hablar mucho, o gorgear las aues.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 139v. col. 1. Thanks to Joe Campbell for providing the transcription.

Frances Karttunen: 

TLAHTLAHTOĀ to chatter, babble / parlar o hablar mucho, o gorjear la saves (M) This is abundantly attested in T. This distributive form reduplicates the fused prefix TLA- instead of the verb stem itself. redup. TLAHTOĀ.

TLAHTLAHTŌLTIĀ caus. TLAHTLAHTOĀ.
Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 264.