The reason was becoming less vague; the fuzzed edges were falling away now.
Their outlines, instead of becoming clearer, had fuzzed up more as they approached.
As he pushed back the hair that had fuzzed down over her eyebrows, he felt her head thoughtfully with the tips of his fingers.
His head was the shape of a chocolate drop, and was covered with dry, straw-coloured hair that fuzzed up about his pointed crown.
1590s, fusse, first attested in fusball "puff ball of tiny spores," of uncertain origin. Meaning "the police" is American English, 1929, underworld slang, origin and connection to the older word unknown. Perhaps a variant of fuss, with a notion of "hard to please."
A police officer; the police: Cops must be annihilated. Kill the Fascist fuzz
[1930+; origin unknown; the form fuzey is found at about the same time]