A perfect figure on a woman would be something like 36-24-36. The word callipygian is a female with nice rounded buttocks. Such a person would have measurements similar to those stated above. An uber-callipygian woman would have measurements like 34-24-40. An uber-callipygian woman would be quite dominant with her rounded buttocks.

A jack off buddy (from 'cum' /'come', meaning 'semen', and 'companion'); a friend that you get together with for sessions of solo or mutual masturbation
Variant of: cumpanion (from 'companion' & 'cum'); jack off buddy & wank bud & JO buddy
Similar to: fuck buddy