For those of you too distracted to read the fine print, "Boobyball" is/was part of a Canadian breast cancer awareness group's fundraising activity. "Rethink Breast Cancer" is hoping to make younger women aware of the disease without having to use scare tactics.
BTW, that photo with Howie Mandel is a couple of years old.
Here's a better shot of the ladies (some of whom kicked breast cancer's ass):