“I think you know what I’m talking about”
Catchphrase of noted soul crooner and sex god Theophilus P Wildebeeste. British readers will recognise him as one of the many characters created by Lenny Henry, comedian and now highly respected Shakespearian actor (not to mention Knight of the Realm).
the only deadhead in the hameau 
Sometimes I don’t even know what I’m talking about.
You and me both.
Or should that be #metoo ? 😉