flash blood
n.— «Many injecting drug users share dirty needles or use a dangerous cash-saving technique known as “flash blood,” in which a user injects heroin or another illicit substance and then draws a syringe full of blood that is passed to a second user to inject.» —“Escalating drug use threatens AIDS fight” in Stone Town, Tanzania PlusNews Global July 27, 2007. (source: Double-Tongued Dictionary)
Further reading
She sells seashells by the seashore. Who is the she in this tongue twister? Some claim it’s the young Mary Anning, who went on to become a famous 19th-century British paleontologist. Dubious perhaps, but the story of her rise from seaside...
The words tough, through, and dough all end in O-U-G-H. So why don’t they rhyme? A lively new book addresses the many quirks of English by explaining the history of words and phrases. And: have you ever been in a situation where a group makes...