Ed Cray ('Erotic Muse') noted that the tune for 'Reuben Reuben' is used for 'Caviar comes from virgin sturgeon' and 'The Winnipeg Whore'. Vance Randolph ('Unprintable') also noted its use for 'Winnipeg Whore' but neither Cray nor Randolph give any bawdy verses for the song 'Reuben Reuben' itself.
--Stewie.