A derivative of the word huzz, combining huzz with freshmen, hence fuzz. A high school or college freshman who you like or love (usually not used amongst freshmen). The actual meaning of the term huzz (being hoes) does not apply to fuzz.
Detective: What if tried dis?
2nd Person: What?
D: If we had a special abilty to pick up girls?
2nd Person: No, it wouldn't work they'll think we're creepy
D: Yeaa, I fuzz up
2nd: You fuzz up