Green’s Dictionary of Slang

(gay) an attractive teenager.

1972		B. Rodgers Queens’ Vernacular 44: any boy under the age of consent [...] peach fuzz (rare, mainly prison sl).
1979		Maledicta III:2 220: Such old words are not in the vocabulary of those who say punk (in the sense of cutie or peach-fuzz prepubescence, not the new musical sense-though that may be related) or chicken.
1990		(con. early 1950s) J. Ellroy L.A. Confidential 284: Peach-fuzz rookies.