The Snoop Dogg Syndrome is a term used to describe something or someone who had a fantastic start, but later had a falling curve. The name comes from the artist Snoop Dogg, who has had this development. He had a fantastic start with "The Chronic" and "Doggystyle" but has since fallen off and become a shadow of himself.
Mike: 50 Cent is the best rapper ever!
Pete: Naw, "Get Rich Or Die Tryin" was great, but he got the Snoop Dogg syndrome in 2005, has'nt been the same since...