A sexual act involving the insertion of two fingers (index and middle) of one hand in the female's vagina, while placing a third finger (pinky) of the same hand in the anus. Named after an advertising copywriter who developed the maneuver in high school, unaware that there was already a name for the move.

See also: "Shocker"

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