The HyperTexts Visible Panty Line (VPL) What is a visible panty line, really? Is it a terribly gauche fashion faux pas?If so, why have high-fashion models and actresses been letting us peek at their panties through their ultra-expensive outfits for decades? Watch Candid ass visible panty lines in tights - 11 Pics at sucioent.com! Full clips on GLUTEUS DIVINUS. Visible panty lines (VPL) - A visible panty line or VPL occurs when the outline of female underpants becomes visible through clothes.