What's the "een" in Halloween?
1980 (noun and verb), in reference to cocaine. As a chemical process, it returns a salt form of an alkaloid to its pure form. Related: Freebased; freebasing.
To use cocaine by heating it and inhaling the smoke, its most powerful essence: The addiction problem seems to be compounded by the fact that so many cokeheads are freebasing it (1970s+ Narcotics)