Any seasonal lawn decoration that has been or can be used as a sex doll or sex toy. Can be inflatable or rigid and may or may not be modified to support deviant acts.
My grandma called the police when she saw a drunk college student from down the street defiling her prized inflatable Santa Claus. When the Police arrived, they found him passed out holding a Christmas elf. He had apparently sealed the deal with Donner, Prancer, Rudolph's mouth, and Frosty the Snow Man. When questioned, he claimed that he became addicted to Lawn Pornaments after dropping acid while watching a Family Guy marathon.
When the penetrating partner takes the receiving partner and folds them in half and then proceeds to fuck them. The foldee is positioned so that their legs are pressed against the folder's body, while the folder presses the foldee's body against the top of their legs.