A [[bikini]] that is [[untied]] in some fashion. This can be the sides for [[side-tie bikini bottom|side-tie bikinis]], the front for [[front-tie bikini top|front-tie bikinis]], the back for those that tie in the back, or any other place that has straps.

h4. See also

* [[Untying]] (for the active act of untying)
* [[Wardrobe malfunction]] (if the cause is accidental or otherwise unlooked-for)
* [[Assisted exposure]] (if the cause is through deliberate action)