Two or more men facing one another in a shower with flacid penises, shaking their hips in order to make contact with the other soft penis or penises. The process ends when all penis' are hard or any of the participants pass out from any other dudes' cuteness.

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