fuzz /fʌz/noun 7verb 5forms 3phrases 1 noun7 •A frizzy mass of hair or fibre.His cheeks were like peaches, with much the same sort of fuzz over them. — 1895 •(US, slang) The police, or any law enforcement agency.Let's get the hell out of here before the fuzz turns up — 2009 •Quality of an image that is unclear; a blurred image....scientific advances happen more often at the frontier of representation, at the edge of resolution where an image dissolves into fuzz and blur. — 2010 •Fuzziness, vagueness. •A distorted sound, especially from an electric guitar or other amplified instrument.This gives a good soft clipping effect and a good fuzz sound. — 1994 •A state of befuddlement.I think I'm in a fuzz, and don't know what I say, I never saw the like. — 1784 •The random data used in fuzz testing."Fuzz testing" or "fuzzing" is a technique for software testing that provides random data ("fuzz") to the inputs of a program. — 2008 verb5 •To make fuzzy. •To become fuzzy. •To test a software component by running it on randomly generated input. •(old-fashioned) To make drunk.Or maybe my mind was just fuzzed with the drink. — 2004 •(old-fashioned) To fly off in minute particles with a fizzing sound, like water from hot metal. formsfuzzed · fuzzing · fuzzes Phrases with fuzz fuzz outto censor (an image) by blurring.