is quite a new word, probably slang, to mean , , "a common, just an ordinary story", "the same old story". I think is like , "a common story/anecdote in the world of show business".
We commonly say / / to mean something is quite common and can be found everywhere, and often use expressions like to mean . here means (#5)
And, the mimetic word and phrases , (roll, roll over) etc. are commonly used to describe (stone, rock), so I think people started to use to mean , i.e. .