Sahih Bukhari | Volume 9 | Hadith Number 232

Narrated by Abu Huraira
Allah's Apostle said, "The Hour will not be established till the buttocks of the women of

the tribe of Daus move while going round Dhi-al-Khalasa." Dhi-al-Khalasa was the idol of the Daus tribe which they used to worship in the Pre Islamic Period of ignorance.