Define Fuzz Guitar Tone ?
Fuzz : noun : a distorted sound from an electric musical instrument, especially a guitar, produced by means of an electronic device.
Interesting ! Fuzz let's be honest is guitar tone that appears 1961 to 1964 depending on what book you read and literally changed the world. There where session players who got work just because they owned a fuzz pedal AKA: Jimmy Page who legend has it played the lead in "My Generation" by the Who because he had a Fuzz Tone. Till this time all guitar tone's where very clean and jazzy. Buddy Holly, Early Beatles, Elvis all have jangle happy clean guitar tone, but the time's where changing and people where pissed off. AGGRESSIVE TONE ALERT !
The early to mid 60s bring us the start of Fuzz Guitar Pedal design with Vox Tonebenders, Fuzz Faces, Maestro Fuzz, Colorsound, Solo, Marshall Supa Fuzz and many more clones of these pedals. The players of the time jumped on them and you can hear it in all the pop, rock and underground music of the day and really for the next 50 years. This aggressive full buzzy fuzzy sound change guitar tone from that day foward.