bub·ble·gum 
(bŭbəl-gŭm′)
(bŭbəl-gŭm′)n. also bubble gum
1. Chewing gum that can be blown into bubbles.
2. Slang A style of popular music designed to appeal to adolescents, characterized by bouncy rhythms and a generally cheerful tone.
adj.
Slang
Slang
1. Of or characteristic of bubblegum music: bubblegum rock.
2. Marked by or displaying an adolescent immaturity, as in style or taste.