adj. Pertaining to steatopygia; having fat or prominent buttocks.
the GNU version of the Collaborative International Dictionary of English
adj. Having fat buttocks.
The Century Dictionary and Cyclopedia
Affected with or characterized by steatopyga; having enormously fat buttocks.
Word Usage
"Hamish had an affair with Francesca, a very beautiful woman with an even more beautiful, if steatopygous anus, who made a habit of going out with older men."