Top Definition
A lazy heroin addict, one who does nothing except smack all day and is smacked out all the time without exception
Hey what's olde boy doing these days, you think he wants to go to the concert?
-what? him? he's a smackball, he never leaves the house or does anything except nod out-
by Comrade Plasternasty August 29, 2008
7 Words related to Smackball

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