Ben stiller help?@?@?

theres this movie with ben stiller in it and he marries this girl that turns out to be crazy. like when she peed on his jellyfish sting and had a bush vagina with a pierce and that one scene where they were ******* and she was like "jackhammer me!" and then when they took a break she went into the bathroom and farted.what was this movie called??? PLEASE HELP!