I'm surprised nobody brought up stuff like playing with anal beads or ben wa balls, or even performing acts like 'dumping on her chest' aka the 'hot karl' or the 'Dirty Sanchez'. It seems like our significant others are quite tame. Either that or some of you are holding back on us.
Playstation = The Beast from the East
Sony + Nintendo = WIN! PS3 + PSV + PS4 + Wii U + 3DS