* A play on words: It could be a humorous way of saying someone is "shoeless," meaning they are lacking something important. For example, a person who is always unprepared might be called a "shoe."
* A comparison to a simple object: It could be a sarcastic way of saying someone is boring or uninteresting. Like a shoe, they might be seen as mundane and lacking any unique qualities.
* A statement of conformity: It could be a way of saying someone is overly concerned with fitting in and following the crowd. They are like a shoe that is mass-produced and designed to look like all the others.
* A nonsensical statement: It could be a completely nonsensical statement with no real meaning, used for humor or to create confusion.
Without more context, it's impossible to know the exact intended meaning. To understand the sentence, you would need to consider the speaker's tone of voice, the context of the conversation, and the relationship between the speaker and the listener.