Bikini Bridge - What does bikini bridge mean?

Bikini Bridge is slang for "Space between a bikini bottom and stomach." See an example of how people use it.
Bikini bridge is a slang term for the space created between a bikini bottom and stomach when a woman lays down and her hip bones pull her bikini bottom tight. The term gained popularity when women began posting their bikini bridges on social sites like Instagram and Facebook.

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