to strangle someone by putting one's hands around someone's neck and squeezing (see Molina)
Alonso de Molina:
quechmatiloa. nite. (pret. onitequechmatilo.) ahogar a otro apretandole la garganta conlas manos. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 88r. col. 2. Thanks to Joe Campbell for providing the transcription.