A person who manages to screw up or break most anything he/she touches. Usually when working on things like cars, carpentry projects, or most anything that involves tools.

The term "wrench tosser" is in reference to someone dropping a wrench into a turning engine or gears and more than likely causing damage.

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