roundjular is something that is both round and circular such as a sphere but who says ur nose is a sphere. Its better to use roundjular, fat people prefer this word.
Of pertaining to the piece 'hourglass'
Used in reference to a female with visually significant assets (boobs, derriere) with a proportionally smaller waist. eg hourglass figure.
Also used as to refer to a old wives concept of a fertile female body.