Deely-boppers

Deely-boppers are many things;

1. Eyes.
2. The hairbands that have the bobbly bits at the top.

Eyes:
Sunny: Jesus Melody! Your deely-boppers are bloodshot!
Melody: I know, I didn't get any sleep.

Hairband-thing:
Scarlett: Hey, your deely-boppers ROCK!
Alice: Thanks!