A very nice ass. Doesn't necessarily have to be huge, in fact, they're normally not. It's just a tasty looking bum-bum.
John: That slut sure knows how to make a guy feel good.
Eugene: Ohhh yeah. How about that bubblebum?
Together: OOHHHHH!!!
by YapmelkXela November 18, 2009
SHE’S NOT A FROG SHE’S A SAINT
BUBBLEBUM I SAY BUBLE BUM BUUBKE BUM BUBBLEBUM
by UrbanDictionaryAnnoyingOrange November 27, 2021
When someone chews gum with their ass and makes a bubble thus gives it the name bubblebum
that bubblebum you blew was fantastic
by Bubblewand colezeldin February 9, 2008