When you got your pants down inthe middle of Harrods and the Queen of England is Fainting.
By this time youv'e shit all of the gold plated floor because you are embarresed.
You are even more embarresed

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