A Cock book is basically another word for a porno magazine.
Cpl. Ray Person: "Wait, are you talking about like jerking off without using any hands?"

Sgt. Antonio Espera: "No, Dog! I'm talking about fucking any girl you want, all in your mind."

Cpl. Ray Person: "You need one hand at least to hold the cock book."
by rotating snowflake January 5, 2010
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