The act of stealing apples from a cider orchard. (The word comes from Scrumpy cider) This term cannot be applied to a town or city enviroment. For example you couldn't steal a stereo and call it 'urban scrumping'
When a man and a woman must get it on, the redneck term is used when two people leave a party to do the deed quickly and return with knowing nods to their friends. Best done in a truck and in the woods.
I left a bonfire once with a girl to scrump (verb) in the woods breifly only to return and contimue with the party. So the act of scrumping would be defined as a quicky in an strange place during a strange time
The art of getting from A to B purely by means of running through people's property, turning over as much lawn furniture and stealing as many pegs as possible along the way. Est. 2009 in NZ.