Green’s Dictionary of Slang

(US campus) excellent, worthy of admiration.

1990		Eble Campus Sl. Nov.
1996		Eble Sl. and Sociability 56: The following functionally synonymous slang terms from two school years, 1990–91 and 1991–92, all mean ‘excellent, worthy of approval’: [...] candy, chicalean, choice, classic, cool, critical.