Can be used as a noun or adjective.
Adjective: Vanilla marshmellow cupcake in the springtime scented.
Noun: A girl
who breaks out in crazy dance in the middle of a public place.
Note: when you see one, make a wish.
Example 1: Wow, she really smells pretty riley today.
Example 2: Hey, hurry, look over there, its a riley, make a wish!