usually an overwieght celler dwelling slob of a person. too damn lazy to even maintain personal hygene. they only attempt to perform any sort of hygenetic action when the carbuncles underneath their inner tube flabby flesh begins oozing with smelly pus. then they make a half hearted attempt with an old bactira filled sponge from beneath the bathroom sink and lukewarm water...

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