It's an acronym for Big inconceivable girls love york pepperment patties. You say the word twice for added insult to morbidly obese chicks
Dude, that girl over there is checking you out. You should go talk to her? Friend responds: Naw, she's a bigly bigly and needs to drop at least 80lbs.
by OliverQ-02 April 05, 2011