boy
n.— «Under questioning by District Attorney David O’Leary and Peterson, Bier said Gardner believed the powder was cocaine, possibly just from looking at it, but that at the jail he understood it to be heroin based on hearing others refer to it as “boy” which is street terminology for heroin.» —“Inmates face drug, homicide charges” by Jen Scherer Beloit Daily News (Wisc.) May 24, 2005. (source: Double-Tongued Dictionary)
Further reading
A resident of Michigan’s scenic Beaver Island shares the term, boodling, which the locals use to denote the social activity of leisurely wandering the island, often with cold fermented beverages. There have been various proposed etymologies...
Patrick in New York City is curious about the term ride or die, which describes a friend, fan, or romantic partner who is devoted to the end. The expression shows up in the mid-1990s in hip hop and the work of Tupac Shakur and The Lox, and often...