A confirmed diagnosis of an individual that is strung out from prolonged drug use without eating or sleeping. Symptoms include, manic behaviors, unrealistic speculations, paranoia of being followed by federal agents, sickly physical appearance due to lack of nutrients, forgetfulness, pilfering through peoples belongings, carpet surfing, excessive and uncontrollable body movements, dilated pupils, etc.
That dude is HIT positive.
A dirty or used syringe that is used multiple times by one, and sometimes multiple intravenous drug users before finally being discarded.
I ran out of clean syringes, so I dug the drig out of the garbage and used it.