Bra size mystery solved

Have you ever wondered why A, B, C, D, DD, E and F are the letters used to define bra sizes? If you have wondered why, but couldn't figure out what the letters stood for, it's about time you became informed!

{A} - Almost Boobs... 
{B} - Barely there. 
{C} - Can't Complain! 
{D} - Damn! 
{DD} - Double damn! 
{E} - Enormous! 
{F} - Fake.