The most retarded person on earth and someone who is gay and dumb he never gets girls but he gets all of the guys just one of the dumbest people on earth.

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