The experience of negative symptoms due to withdrawl from medication, typically opiates (herion, morphine, opium.) Symptoms may include nausea, headache, insomnia and restlessness. The term is not limited to opiate narcotics.
Being dopesick, the only time I've slept in the past few days, is when my body reaches the point of physical exhaustion. Weee!
A level of being dope as shit that is reached by few. A person that embodies dopenicity does give a shit what people think of them. They have to be a ride or die homie, and be able to drink until their face melts or blackout and wake up in the hospital.
The experience of negative symptoms due to withdrawal from heroin.
These same symptoms are often experienced during withdrawal from other opioids, but someone possessing no experience with heroin ought not use the word to describe their own condition.