A sexual position preformed in a warm climate environment which the female is laying on her stomach, legs closed and arms held back by the male, while he rides her. Extra points for wearing ski goggles.

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