D-cups are the most American and good of all groups of sizes of boobs. They give men and hotmosexuals pleasure, above and beyond those of C, B, and god-forbid A-cups. and always they are good for grabbing during sex
D-cups (along with included splinter groups such as DD-cups and DDD-cups) are sometimes referred to by lamens as Bigguns, Bazongas, and CostCo-Cans.
Some of the most wonderful and famous natural D-Cups are attached to:
and (unfortunately) Susan Sarandon
D-Cups that are achieved through the help of Breast Implant surgery are often HILARIOUSLY referred to as "Real Nice", LOL!