1 definition by hatingonyouu...

a-cup

bra size for people who want to think that they have boobs but really don't. in reality they are flat chested.

girl one: i went out bra shopping today,got myself a 32b.
girl two: omg i'm jel i'm only an a-cup..
girl one: (slowly backs away)

by hatingonyouu... July 11, 2013