Rusty Dinosaur
After starting in traditional doggy style, you grab her arms by the elbow and pull back. Then to her surprise, you quickly pull out and slam it in her back door while holding her elbows tight, so her arms are hanging like a T-Rex as she lets out a wail like a prehistoric beast.
After watching Jurassic Park, Tim was inspired and pulled a new on his partner Lacy, hitting her with the rusty dinosaur and turning Lacy into a make-shift T-rex. RAWR!