* A misspelling: Perhaps it's meant to be "babe" or "baby", which are common terms of endearment.
* A slang term: It might be a slang word or abbreviation used within a specific group or region.
* A word from another language: It could be a word from a foreign language that you're unfamiliar with.
To understand the meaning of "beib", you need more context. Please provide:
* The full sentence or phrase it appears in.
* The context of the conversation or situation.
* Any other clues about the origin or intended meaning.
With more information, I can help you decipher the meaning of "beib."