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1.
1. To be fucked from heroin.
2. To be really high on a 'smacky' MDxA pill, mad eye-wobbles, too fucked too do anything but sit there, definately no dancing, talking can usually still be performed.
3. To be really tired and shit. Usually after drugs or the morning after smoking alot of chronic.
1. "That Hammer Addict looks hella smacked out."
2. "Man, this pill has fully 'smacked me out', I'm fucked up."
3. "I feel fully smacked out today."
by Diego September 04, 2003