What does bad high mean?

bad high meaning in Urban Dictionary

typical among very first time people of any form of leisure drug.not is confused with an overdose.occurrs once the effects of a drug become overwhelming toward individual. could also occur because of the human body becoming conscious of the international chemical compounds within, and trying to purge it self of impurities.extreme anxiety/paranoia might also cause this phenomenonsymptoms feature:extreme lethargyblurred visionnauseavomitingit is not unusual for individuals who experience a "bad high" to feel revitalized and "normal" virtually right after vomiting.