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)
to upset someone 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)
to be rude and disrespectful, to be in someone's face James Lockhart, Nahuatl as Written: Lessons in Older Written Nahuatl, with Copious Examples and Texts (Stanford: Stanford University Press and UCLA Latin American Studies, 2001), 221.