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is slang for the words small and nasty together. It indicates the user is a little nasty at something, or that they are less nasty at something then somebody else. Smasty is used in place of "I am pretty good at this" among people who want to sound cool, or in comparison to somebody who is more nasty than you. May also be used by others as a synonym to nasty (the definition of nasty used in smasty is the one that shows approval or impressiveness of ones skills)
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