the little flabs of fat and skin commonly found directly below (unda) a man or womans breasts, especially noticeable with increased body fat
by excel_geek May 25, 2005
Used to describe the temperature that causes sweat to form and drip down from underneath a woman's breasts. Typically associated with high temperatures and women with large bosoms.
I can't believe the AC broke in the gym on the hottest day of the year - it's hot as undaboob in here!
by Sweaty Smith January 19, 2014