Green’s Dictionary of Slang

(drugs) cocaine.

1975		E. Torres Carlito’s Way 59: They call coke perico (parakeet) because it makes you talk all night.
1989		(con. 1982–6) T. Williams Cocaine Kids (1990) 24: ‘Gypsy cab’ drivers who have stopped to drink beer and snort a little perico talk near the barbershop.
1995		(con. 1985–90) P. Bourjois In Search of Respect 311: You wouldn’t rather have those twenty-five dollars you just paid for the dope [heroin] and the perico [cocaine], to spend on your son’s birthday present instead?
2001		ONDCP Street Terms 16: Perico (Spanish) — Cocaine.
2004		Cormega ‘Redemption’ 🎵 Pure white perico.
2011		Immortal Technique ‘Young Lords’ 🎵 The streets though, they play with perico.