sprinkle on

sprinkle on

1. To fall on someone or something in small drops or particles. We could feel the first drops of rain starting to sprinkle down on us. Bits of ash that had been spewed out of the volcano sprinkled on the town below.
2. To disperse or scatter small drops or particles of something (onto someone or something). In this usage, a noun or pronoun can be used between "sprinkle" and "on." I sprinkled on lots of glitter to give the diorama a festive look. The priest sprinkled holy water on the celebrants.
See also: on, sprinkle
Farlex Dictionary of Idioms.

sprinkle something on(to) someone or something

 and sprinkle something on
to scatter or dribble something onto someone or something. The minister sprinkled the water onto the baby. The cook sprinkled on a dusting of powdered sugar.
See also: on, sprinkle
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • sprinkle onto (someone or something)
  • sprinkle with
  • sprinkling
  • sprinkle
  • sprinkle (someone or something) with (something)
  • patter
  • spatter on
  • spatter on (someone or something)
  • spatter with
  • spatter (someone or something) with (something)
References in classic literature
When Sunday came, and it was time for the girl to start, a feeling of dread came over her which she could not explain, and that she might be able to find her path again, she filled her pockets with peas and lentils to sprinkle on the ground as she went along.
Fairy Tales