moyolic.

Headword: 
moyolic.
Principal English Translation: 

an exclamation one makes when someone finds another person committing a bad act (see Molina)

Orthographic Variants: 
moiyolic, moiolic
Alonso de Molina: 

moyolic. a a. del que halla a otro haziendo algun mal.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 58v. col. 1. Thanks to Joe Campbell for providing the transcription.

Attestations from sources in English: 

o ma ҫan moiolic, auh ma oc moiolic: tleh ticmati = Be careful; be yet careful. Pay close attention (central Mexico, sixteenth century)
Fr. Bernardino de Sahagún, Florentine Codex: General History of the Things of New Spain; Book 6 -- Rhetoric and Moral Philosophy, No. 14, Part 7, eds. and transl. Arthur J. O. Anderson and Charles E. Dibble (Santa Fe and Salt Lake City: School of American Research and the University of Utah, 1961), 34.