What is deji voo?

Deji Voo is not a widely recognized term or concept; it may be a misspelling or a specific reference not commonly known. If you meant "déjà vu," it refers to the feeling of having already experienced a current situation. This phenomenon often occurs unexpectedly and can be brief, leaving individuals with a sense of familiarity. If you meant something else by "deji voo," please provide more context for clarification.