Smackhead

noun, slang

noun, slang ·Uncommon ·College level

Definitions

Noun
  1. 1
    A person who regularly uses heroin. UK, derogatory, slang

Synonyms

All synonyms
boganchavknackerredneck

Etymology

From smack (“heroin”) + -head.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.