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1.
A magazine with tits and minges in it.
Dave had a wank over his cuntbook
by BringerOfExtremeDick August 04, 2010
 
2.
Dog house

A more drink fuelled emotive expression relating to one not being flavour of the month.
"I forgot the bird's birthday again, I'm in the cunt book and no mistaking".
by Fin November 14, 2004