nehua teixco.

Headword: 
nehua teixco.
Principal English Translation: 

to make someone upset by getting right in their face (see Molina, whose example here is in the first and second person; translation to English into the third person by Stephanie Wood)

Orthographic Variants: 
neua teixco
Alonso de Molina: 

neua teixco. (pret. oteixco neuac.) descomedirse con alguno, yendosele ala cara.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 71r. col. 1. Thanks to Joe Campbell for providing the transcription.