to make someone light-headed or give them a headache (see Molina)
Orthographic Variants:
quaiuintia, quaihuintia
Alonso de Molina:
quaiuintia. nite. (pret. onitequaiuinti.) desuanecer a otro la cabeza. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 84r. col. 2. Thanks to Joe Campbell for providing the transcription.