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1.
The name of a punk band, which is also an acronym that stands for Society No Fucking Use.
Why even bother voting, SNFU.
by Code Blue January 01, 2008
 
2.
Acronym: Super Nigger Fucker Upper. Someone who beats up annoying people (though not necessarily African-Americans). Also a machine that does it for you.
oh my gosh that is one coolio SNFU. (My sister made up the "coolio" part, because it is a funny word.)
by Falaopo July 31, 2008