a frizzy mass of hair or fibre

a fuzz of black hair

his face was covered with white fuzz

a buzzing or distorted sound, especially one deliberately produced as an effect on an electric guitar

make or become blurred or indistinct

snow fuzzes the outlines of the signs

her head fuzzed and the classroom swam

(of hair) become frizzy

her hair fuzzed out uncontrollably in the heat

the police

Keep down! It's the fuzz!