1. tubbiness - the property of having a plump and round body. chubbiness, pudginess, rolypoliness. embonpoint, plumpness, roundness - the bodily property of being well rounded.

What is Tubby slang for?

adjective. (pejorative, slang, often used teasingly) An overweight person.

What does Tubby mean in the UK?

If you describe someone as tubby, you mean that they are rather fat. [informal] Synonyms: fat, overweight, plump, stout More Synonyms of tubby.