The phrase "so bad it's good" is a misnomer. What we usually mean by it is that we found a movie's particular brand of badness entertaining. But just because we've gotten enjoyment out of it doesn't mean it's "good" -- it merely means that we've made lemonade out of lemons. "So bad it's entertaining" would be a more accurate phrase.

Anaconda falls under this category. It was intended as a scary, suspenseful horror film about a giant snake that pesters travelers on the Amazon. Its flaw is that…