Heroin. Also known as Dragon, Dope, Heron, Herone, Hero, Hera, H, Big H, White, China White, White Nurse, White Lady, White Horse, White Girl, White Boy, ... What is 'smack' drug? Because you gotta smack the shit outta someone who ODs.. ... Back in the day, when sharing needles gave you chlamydia instead of HIV, the heroin was cut so heavily that fatal OD was relatively rare — nothing like today's epidemic. ... “Smack” sounds