Put the Sprinkles on it
A phrase used once something is completed. It originated from adding sprinkles to dessert after they were completed in easy bake ovens.
Lucy: The cake is done!
Judy: PUT THE SPRINKLES ON IT!
or...
Lucy: I'm done sending all those emails
Emma: PUT THE SPRINKLES ON IT!
Judy: PUT THE SPRINKLES ON IT!
or...
Lucy: I'm done sending all those emails
Emma: PUT THE SPRINKLES ON IT!