huel cualli.

Headword: 
huel cualli.
Principal English Translation: 

really good; something pretty, amusing, excellent (see Molina)

Orthographic Variants: 
uel qualli, huel qualli, uel cualli
Alonso de Molina: 

uel qualli. cosa linda, graciosa y excelente.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 156v. col. 1. Thanks to Joe Campbell for providing the transcription.