Blobamongus 

Someone being a blob sized but a lot bigger

Look at that blobamongus person

Blobamongus by Brandon Marshall April 6, 2021

boobamongous 

Extremely large breasts on an adult human female.

Adrian: "Check out the rack on that sort"

Steve: "Faaark, they're boobamongous"

boobamongous by Jizzmyster08 December 19, 2008