Zappanasta
A person that knows every line up of all of the band members on any recording that Frank Zappa ever performed on, wrote, or produced.
They also know all of the written lyrics and the lyrics and variations of how the song was actually performed live.
They also know all of the written lyrics and the lyrics and variations of how the song was actually performed live.
I was humming along to Yellow Snow and put a 'Wee Wee" in the wrong place and was immediately corrected by a Zappanasta.