In Spanish slang , an instance of heroine consumption, typically
burning a
line of heroine on foil
paper, heating it with a lighter under it, and sniffing the smoke with a rolled note.
Se hicieron un chino en una esquina
They made a chino in a
corner
Para evitar el SIDA, hoy los yonkis hacen chinos
To avoid
AIDS, nowadays junkies make chinos