1. Noun. Gusset bunting is the large flaps of labia that sometimes protrude from the edges of a girls thong or knickers (especially if said underwear is far too small for the female.)
Named after the traditional British flags draped about during times of national celebration.
1."Christ I thought that Josie was fit until I went down on her and stumbled across a veritable street party of gusset bunting decorating her panties!!!"