Someone who does not live by the shore, or appears to be out of place at the beach.
You're wearing shoes on the beach? What a benny!
The act of banging a college chick raw dawg at a family party.
Guy 1: How was the family party?
Guy 2: Awesome! I Bennis'd this chick from Umass Lowell!
a person who is petty and idoitic and generally has an inflated idea of their own intelligence and importance.
the jobsworth at my office is a total benny
Benny is a funny dude but at the same time a annoying crack head and should be in a mental hospital