Green’s Dictionary of Slang

chicalean adj.

[ety. unknown; ? SE chic]

(US campus) excellent, stylish, worthy of admiration.

[US]Eble Campus Sl. Apr.
[US]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.