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Not to be confused with 'MegaSmaft' Nega-smaft is the opposite of 'Smaft'. Thus meaning; Lame, Loserish,Irrelevant, and most of all just NOT COOL. at all.
"Hey did you see alex today? He is so Nega-Smaft...So unlike Hannah, Shes one smaft chick."
by Smaftattack October 02, 2011
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