craziness, clownishness, rusticity, ignorance (see Molina)
IPAspelling:
neʃtekwilloːtɬ
Alonso de Molina:
nextecuillotl. locura o tochedad. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 71v. col. 1. Thanks to Joe Campbell for providing the transcription.