SMACK means “Heroin“. Answer to What does SMACK mean is “Heroin”. This Page tells the meaning and definition of Slang word SMACK.
What does SMACK Mean?
SMACK mean “Heroin”. This is the exact meaning of the English Slang word SMACK.
The Exact meaning of SMACK is “Heroin”. Or, You can say that,
The Definition of SMACK is “Heroin”.