When a female, usually large breasted, intentionally or unintentionally wears a bra with a cup size larger than her own breasts. This effect will become teasingly apparent when coupled with the low cut and/or sleeveless blouse, spaghetti strap top or summer dress. As a witness to this undercupping effect, one will have the opportunity to witness top boob and possibly side boob depending on how a woman positions herself and her breasts fail to entirely fill her bra cups and thus remain exposed to the extent that the bra allows.

When you eat dirt for the first time and leave your family to build a shack in the woods