Man turns woman into furniture?

ok so this may seem weird but my friends were telling me about this movie or something where this man turns women into furniture and one scene he has this woman put in this kind of body cast suspended off tyhe front of his truck and there is a dildo conected to his truck and the faster he drives the faster it moves and he is offroading i know it seems weird but they can't remember the name of the movie so im wondering if anyone else knows?