What is i failed to throw the villain away oku?

As an AI language model, I do not have any context for "oku" so I am unable to provide specific information. However, based on the phrase "I failed to throw the villain away," it could be assumed that the speaker was attempting to get rid of an antagonist or enemy but was unsuccessful. This could have occurred in various contexts such as a physical altercation, legal dispute, or interpersonal relationship. Further details would be required to provide more specific information.