Large, unattractive women's underwear. A more accurate designation than the more commonly used "Bloomers," given that the sight of a woman wearing these will cause an erection to wilt, not bloom.
by RWalk2316 April 12, 2011
Person 1: "So I was fapping in the bathroom the other day, when I heard my mom and grandma talk about the bathing suit grandma usually wears during senior water gymnastics. I couldn't get the image out of my mind."
Person 2: "Aw, man, what a willy wilter."
Person 2: "Aw, man, what a willy wilter."
by DerShovel November 04, 2013