Stephenson:Neal:Quicksilver:533:nerf du boeuf (jere7my tho?rpe)

From the Quicksilver Metaweb.

"Nerf de boeuf" is the French term for "bull's pizzle" -- a whip or club made from the dried and tanned penis of a bull. It also happens to be the name of a gambling card game.

References

• Non-Asian weapons, fencing and fighting methods, a marvelous list of fighting implements
• pizzle dictionary.com
• The Phallus Palace: Sigurdur Hjartarson's Icelandic penis museum caters to travelers with a penchant for the unusual Time magazine