First created at the Rainbow Cleaners in Hamden C.T. this term is another way of saying oh shit! only this refers to a much more clumsy way of speaking, an almost slurr of the actual spoken term.

*special thanks to Dan

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