1 definition by Expertinculturedthings

A bra size so small that many scientists are baffled how some girls have breasts that small and why it even exists
Guy: What bra size do you wear?

Girl: I'm AA-cup.

Guy: THAT SMALL!? I don't think you need a bra at all if its that small
by Expertinculturedthings May 4, 2022
Get the AA-cup mug.