Definition: Metacart is a term used in the Bible to refer to someone who has been deceived or tricked into thinking they are something else than they actually are by another person, often figuratively speaking. It's like someone slipping back into reality after being tricked and having their senses of sight, sound, smell, touch, taste, and even hearing impaired again. The word originally referred to people who had been deceived by a prophet or dreamer before becoming aware of their true nature.