someone who feels as if everyone else should have to suffer becuase he got screwed once upon a time. often has sex with way to many people and disregards other peoples feelings.

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