Jumboobs Share definition Flag This is used to describe breasts that are bigger than large, they are Jumbo, It's an amalgamation of the word jumbo and boobs My god look at those Jumboobs! They are Huge. They look like two Zeppelins in a race Jumboobs by Christopher A.L Love November 2, 2008 0 0 Get merch Get the Jumboobs mug. Buy Now — $32.95 See more merch