When it looks like you have one massive breast. This usally happens when a girl wears a sports bra or one of those tank tops with the shelf bra.
by Emily Z. April 03, 2006
Get the uniboobmug. Condition when a woman wears a tight lycra fitted tube top for exercising and looses form of two boobs to just one
by Chevyfan October 31, 2003
Get the uniboobmug. When a woman's bra isn't very supportive and doesn't separate, squeezing the boobs together, thus forming the appearance of one large boob. This usually happens with sports bras.
by Kristina5979 April 29, 2008
Get the Uniboobmug. When a larger chested woman wears a sports bra it is tremendously restricting. It is described as -- A large lump of two breasts squeezed together by the wearing of a sports bra. The end result is that the woman's breasts no longer have the "Lift and Separate" affect. Therefore causing the appearance of "One Boob".
by Rock\m/On89 September 01, 2010
Get the uniboobmug. an amorphous undelineated mass of tit, often caused by old age sagginess or bras that squish them together. in theory, it could be a single cycloptic tit.
by minghi May 22, 2003
Get the uniboobmug. A case of the rare condition called symmastia, in which a woman's two breasts literally grow together and join in the middle of the chest, so it looks like a single dumbell-shaped breast across the chest. It can be a congenital condition or a complication arising from breast augmentation surgery.
by capologist July 16, 2009
Get the uniboobmug.