Jack Black can be a lot of fun at times, but this 2010 stinker (20 percent) is not his best work. Film.com's Eric Snider said it exhibited "laziness at every turn" and urged moviegoers not to "reward these yahoos."
If you want to watch an adaptation of Jonathan Swift's satirical novel, try the 1996 version starring Ted Danson and Mary Steenburgen. It's a lot more fun and faithful to the book.