1 definition by Jayke P Blackhart
Delsym brand cough medicine. Popular for recreational DXM use, dexing. Contains 30mg of Dextromethorphan Polistirex per 5ml, and comes in 3 and 5 ounce bottles of Orange syrup. They recently added a grape flavor. Dextromethorphan Polistirex is a time release form of the drug, creating prolonge cough relief/tripping. The Polistirix is the plastic coating the drug to enable a slower release into the bloodstream.
by Jayke P Blackhart February 18, 2008