bubblegum

[buhb-uh l-guhm] /ˈbʌb əlˌgʌm/
noun
1.
a type of chewing gum that can be blown into large bubbles through the lips.
2.
Slang. light rock-'n'-roll music characterized by simple, repetitive phrasing and lyrics.
Origin
1935-40; bubble + gum
British Dictionary definitions for bubble gum

bubble gum

noun
1.
a type of chewing gum that can be blown into large bubbles
2.
(slang)
  1. crassly commercial pop music aimed at the very young
  2. (as modifier): a bubble-gum hit