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speed demon

noun, Informal.
a person who travels or works at high speed. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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A dose of a stimulant and a depressant mixed, esp of heroin and cocaine: smack, coke, reefers, acid, speedballs (snorting cocaine and heroin together), a ''luxury'' (1909+ Narcotics)


To produce rapidly; expedite: I could have the agency speedball you a nice layout (1980s+)

The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
Copyright (C) 2007 by HarperCollins Publishers.
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