Property hug (kiss):
A hug or kiss usually between a couple and is used in front of another person (purposfully) to show "ownership or property" of the other person. Usually to give someone the hint of "he/she is mine".
**Can also be used to claim a best friend**
Jenny: I finally went to talk to Ben
Sam: And?? Did you get to?
Jenny: No, before I got to him, Jayne saw me and went to give Ben a property hug