No, it's Not!

No, it’s Not! is a song from Num Noms High School appearing in Cucumber Gloss-Up and Mellie Pop break their BFF relationship! talking about CGU and Juicy Gummy becoming BFFs or not. Later in Season 6, CGU and Juicy Gummy become BFFs.
== Lyrics ==
CGU: No, you don’t!
Mellie Pop: That’s not how it goes!
CGU: Can you tell the future?
Mellie Pop: Who knows?
CGU: Who will be my BFF?
Candie Puffs: It’ll take a long time.
CGU: Who’s it gonna be? Who’s it gonna be!
Candie Puffs: Juicy Gummy!
Juicy Gummy: No, it’s not, we are not!
Candie Puffs: Juicy!
Pip, Pup and Pop: Like booger snot!
Candie Puffs: Not Boogers, but I got!
PPaP: Candy!
CGU: No, it’s not!
CGU and CP: No, it’s not!
Mellie Pop: And it’ll never be-
PPaP: BOOGER SNOT!