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crackhead

American  
[krak-hed] / ˈkrækˌhɛd /

noun

Slang: Disparaging and Offensive.
  1. a habitual user of cocaine in the form of crack.


crackhead British  
/ ˈkrækˌhɛd /

noun

  1. slang a person addicted to the drug crack

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Usage

What does crackhead mean? A crackhead is a slang term for someone who is addicted to or does a lot of the drug crack cocaine. The word is more generally used to insult someone considered to be acting like a crackhead, that is, wildly and stupidly.

Etymology

Origin of crackhead

First recorded in 1985–90; crack ( def. ) (in the sense of “purified cocaine”) + head (in the sense “habitual user of a drug”)