Whale tail

Part of a thong or G-string

Whale tail is the Y-shaped rear portion of a thong or G-string when visible above the waistline of low-rise pants, shorts, or skirts that resembles a whale's tail. Popularized by a number of female celebrities including Amy Dumas, Christina Aguilera, Victoria Beckham, Mariah Carey, Paris Hilton and Britney Spears, displaying whale tails became popular in the early 2000s, together with the popularity of low-rise jeans and thong panties; but quickly waned within the decade.

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