noun or adjective: a man who doesn't know anything, there not very smart and take things out of proportion. The person intends to babble a lot about stupid things and everyone just wants him to shut up. They also tend to be very lazy.

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