1 definition by SexySluttyGirl
When a woman's boobs look like one. Also, two boobs combined with more than 2 nipples, so like maybe 8 little nipples all over the Uniboob.
"Dude! I finally got this girl to have sex with me. Then I discovered she had a UNIBOOB which turned me off.
by SexySluttyGirl August 7, 2009