The personification of having Goof (see Goof no 37.) in your undies (Daks) at any given point during a working day. Someone who is prone to 'Goofing' frequently is otherwise known as a "Goof Daks"
Josh was painting a joint the other day and he stunk to high heaven. Who? Old Goof Daks! Oh Goof Daks - he's a mad c*nt.
by JimmytheC December 14, 2010