If Showgirls is a train wreck, Elizabeth's Berkley's outrageous, horizontal orgasm in the pool is the point of impact. Unlike most of the scenes on this list, Berkley's break-off moment in Showgirls was unintentionally side-splitting, which explains why Berkley approaches the sequence with the the eagerness of underemployed porn star and the spastic moves of epileptic, resulting in an O-face that can only be rivaled by a couple of truly talented seals at Sea World.