fifty-one; one fifty-one noun small pieces of crack cocaine sprinkled in a tobacco or marijuana cigarette US
US Department of Justice. — Street Terms, October 1994
Terrence Moore is standing in the men’s room in the concrete catacombs of Houlihan’s Stadium, doing his business and talking about how it feels to smoke a 51–street slang for a cocaine and marijuana cigarette. — St.Petersburg(Florida)Times, p. 1B, 18 May 1997