To preclude a
person or organization from an opportunity (i.e. - an event,
deal, or
situation) with a negative context.
In other words, the first party screws the second party out of a particular opportunity.
Upon arriving late to a
dinner event, when dinner has already taken place.: "Well, it looks like I got jimmydicked out of dinner."
In a business context: "Why is
Steve jimmydicking us on this
deal?"