No on screen sex but there's a ton of crude sex jokes made by the commentators (especially Howard) throughout the game. References to prostitution, masturbation, porn, etc
No, but kids that young should not be playing this. As if the M rating on the box didn't give it away, the game is full of over the top gore, explicit language, and a lot of crude sex jokes.
OH IS THERE easily one of the goriest games on the wii, While the graphics are mostly black and white, blood is red, and there is lots of it. That said the gore is very over the top and not to be taken seriously.