Meanings
plural smackheads
- UKderogatoryslangA person who regularly uses heroin.
Origin
From smack (“heroin”) + -head.
Full word history & related roots →Cite this entry
smackhead. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/smackhead
“smackhead.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/smackhead. Accessed November 3, 2026.
WatkinsX Dictionary, s.v. “smackhead,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/smackhead.
Source: smackhead on Wiktionary, CC BY-SA 4.0.