cauc Share definition Flag This is short for "Complete And Utter Cunt". It's taken from a book Any Human Heart, by William Boyd Steve is a C. A. U. C. (spoken as an acronym) not as a word "cauc" cauc by namey name February 22, 2011 Words you can keep railfan mug chonk mug chud mug based mug 67 mug slime mug mogging mug chopped mug thot mug glazing mug huzz mug yams mug larp mug unc mug cracked mug simp mug baddie mug bop mug lolcow mug