Tagcut

step on

step on  v. phr.— «Heroin often is white powder heroin, which in many cases has been “stepped on,”” or cut, so many times that the “high” is weak.…“Black tar” heroin…not surprisingly looks...

witness-mark

witness-mark  n.— «Wherever you wanted to cut off, the valve gear could e put at that notch or clamped at that place, which will bring the “cut-off” witness mark right for cutting off.» —by Robert Grimshaw Supplement...

cut heads

cut heads v. to compare musical skill in an informal competition; to hold a jam session. Editorial Note: This is directly related to to cut ‘to hold an (informal) musical competition,’ which dates to at least the 1930’s and possibly to the 1920’s...