From audience participation in the Rocky Horror Picture Show. When dinner (E.
T.'s head, or Madonna's
clit, or Meatloaf, depending on what the audience says) is served, as the carver slices the
meat, the audience yells this.
It's the Black and Decker Pecker Wrecker! It slices, it dices, it even circumcizes!
'Forth'
skin, congratulations, you're Jewish! Fifth
skin, congratulations, you're a
woman!