Uncontrollable boobie bouncing. More common when braless and descending stairs where they bounce individually. Common ailment of the larger chested females.
"I swear to god, I am never not wearing a bra again. It was a freaking game of boobie ball in my shirt!"
by RobotGirl Penny May 11, 2016
by kyle83 and matt February 8, 2008
by spencerman564 July 1, 2020