miexini.

Headword: 
miexini.
Principal English Translation: 

a person who has lots of gas, emits gas, has flatulence (see Molina)

Alonso de Molina: 

miexini. pedorro.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 56v. col. 1. Thanks to Joe Campbell for providing the transcription.

Attestations from sources in English: 

See an image that represents miexini in the Visual Lexicon of Aztec Hieroglyphs, ed. Stephanie Wood (Eugene, Ore.: Wired Humanities, 2020-present).