A person habitually addicted to heroin (Smack).
"Man that smacky looks like the walking dead."
"Smacky's ruin the drug game and give it a bad name."
by Diego August 17, 2003
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sometimes used to convey that a drug mixture is adulterated with heroin or another drug which the user may feel is acting like heroin may act
I feel sick, I think I got some smacky rolls!
by _GoD_ September 20, 2004
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To Smacky is to slap your cock around with the aim of creating self-pleasure, but you do it because you're angry at your penis for being gay.
1. He got a boner from watching Christian Bale undress, so he began to smacky his dick immediately.

2. "Dude, I found out I was gay last night, so I smackied my chode for hours."
by TRONICUS August 17, 2009
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a jewish boy or girl,preferibly boy, who has big yomega
the jew ran down the street yelling "i'm a smacky and i'm proud"
by Ura nus November 16, 2003
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A slang term for the ever so popular McDonalds fast food corporation.
Steve: Yo, im feenin for a double cheeseburger, medium fry, and a medium doc. pepper. where could i possibly find this delicious combination.

Diesel: Oh, you stupid shit, go to Smackies!

Zach: I dont even know where i am right now!
by DieselleseiD May 03, 2008
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Someone who is addicted to ''Smack'' which is slang for Heroin an highly addictive opiate.
Goddamn look at that smackie, he can bearly hold his eyes open.
by Smackie June 10, 2014
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drug fucked yuck cunt, who usually are found pushing a pram
by bobbro September 08, 2011
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