while walking fast with your head bousing up and down as you go
like somebody when thay have been on smack or cocaine
ben: look at him there hes proper smackheading it
by ben ingo November 12, 2007
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A smackhead is a person who is severly dependent on heroin (smack)
You dirty smackhead
by peter peter the foreskin eater January 31, 2003
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A heroin addict, normally someone who shoots or smokes meth. Using the term smack, in the slang because normally heroin causes people to nod out, making someone come up and smack em on the head.
C'mon Charlie! Get up. *Smacks the back of Charlie's head* Quit bein a stupid smackhead! We got shit to do
by Suuuuuheilyyyy October 3, 2017
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The local druggie, zombie like in appearance but less intelligent. Addicted to the drug known Heroin or ''brown'', common in ex pit villages in the north of England.

Smackheads are generally scummy people who deserve no sympathy, will put the well being of their own children to get their fix. They will lie, cheat, steal use and abuse well meaning people such as family and friends to get there next fix.
Mick the smackhead was injecting heroin again while his kids starve because they have no food.
by bigdave12345 May 13, 2018
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