The thing that I hated: partway through the movie, a princess is kidnapped and imprisoned. The hero, Eggsy, starts to rescue her, only to get distracted by saving the rest of the world. She promises him that if he saves her, she'll "do more than kiss" him, and if he saves the world, they'd do it in the butt. The final scene, pre-credits shows him entering her prison cell with a bottle of Champagne, and then you see her rolling over and there is a giant (and I mean filling the entire screen) shot of her butt. This bothered me more than it's bothered some of my friends, but the whole thing was just so completely unnecessary. I wish they had just implied it rather than dropping to that level. The level of cussing was grating in some instances, but overall bearable. The amount of violence was expected after seeing the trailer, and there was a whole sequence that was over-the-top in an almost cartoonish way.