a point is 100 mg of any given substance (.1 of a gram hence the name)
Most commonly referenced when buying heroin, but is also used for any drug that is often sold in .1 amounts likecrystal mdma.
jerry: yo u good i need 3 points dboy: yea come thru
following a large intravenous dose of methamphetamine you will get an involuntary cough and usually subsequent feeling of being out of breath. it is the pinnacle of the crystal meth rush