man, i almost did a backseat bullride on my gf last night, i hung on for 9 seconds
"while having sex with a girl [doggy-style], use one of your hands, and grab on to the opposite boob (left hand right boob, right hand left boob)
"man, i almost did a backseat bullride on my gf last night, i hung on for 9 seconds" What is the definition of "backseat bullride"?