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Condition when a woman wears a tight lycra fitted tube top for exercising and looses form of two boobs to just one
Check you the girl with the uniboob.
uniboob by Chevyfan October 31, 2003
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.
She needs to go to Victoria's Secret and fix that uniboob!
Uniboob by Kristina5979 April 29, 2008
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".
Have you seen the new girl? ....She always has a serious case of uniboob...
uniboob by Rock\m/On89 September 1, 2010
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.
i think george bush sould have a huge uniboob implanted on his forehead.
uniboob by minghi May 22, 2003
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.
Lisa's plastic surgery went very wrong. Now she has a uniboob.
uniboob by capologist July 16, 2009
Noun.

1. In art, a singular curve/line/lump of breast used to represent two boobs under clothing.

2. A single mass/breast where two should be, but not where two were originally (if you loose one boob, its not technically a uniboob). A uniboob is the presence of an original single boob.
I was in a rush, so I gave the women in my drawing uniboobs.
Uniboob by Arthoes January 8, 2008