The subtle art of ramming your erect penis into a woman's belly button, whilst simultaneously vomiting on her forehead and slapping her nipples with a spatula. So called due to its short lived popularity in the city which give it it's name, where many couples for some strange reason found it sexy.

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