term used to descibe chodeish charcter. also anyone who drinks lava lamp. also may answer to monikers of 'crazy john', 'random dude' and 'insane steve'
not to be confused with the lesser spotted wild beckmaster - mad dave's mate

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