to make jokes, to make others laugh; to say thanks (see Molina)
Orthographic Variants:
xochuia
Alonso de Molina:
xochuia. nite. (pret. onitexochui.) lo mesmo es que xochtia. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 160r. col. 2. Thanks to Joe Campbell for providing the transcription.