A fork of Rural Dictionary
A woman who is wearing her Ibiza cocktail dress is naked in public, especially when at a party or club. So named after the island of Ibiza that's well known for its lively clubs and wild parties.
Jane: At her hen night, Bekka went into the bathroom and came out wearing her Ibiza cocktail dress. John: With the tits she's got on her, she must have been a lovely sight.