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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.
The guys at the Gym like to stare at my uniboob.
by Emily Z. February 17, 2006
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May 12 Word of the Day
When someone goes to the gym and spends 90% of the time on their phones scrolling through social media
Looks like its thumb day again for Jimmy with his usual routing... 3 sets of 5 snapchat selfies and 10 sets of scrolling through facebook until exhaustion
by Gary br April 02, 2017
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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.
by Chevyfan October 31, 2003
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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!
by Kristina5979 April 29, 2008
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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...
by Rock\m/On89 August 31, 2010
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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.
by minghi May 22, 2003
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One boob that extends the same distance as if you had 2 boobs. its quite unfortunate and can often happen when so much fat has extended across the barrier from one breast to the other, forming a uni boob.
"yo dude! man your boobs arent individual any more"
"i know dude, coz i totally got uni boob. its the new fashion"
"i should get me one of those"
by lizzie millard November 08, 2007
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