A combination of the two words 'sweet' and 'spicy'

1) can be used to describe a the highly desirable and irresistible quality an individual exudes.

2) can be used to describe the taste of food

*the term is used to a much lesser degree for the latter rather than the former

Someone who used to be a potential girlfriend/boyfriend, but no longer is.

sweet and spicy

Its spicey, its sweet you wanna lick it but it hurts!

sexy sweet spicy as jalepenos