1 definition by Bumcustard109

Top Definition
A term to put others in their place much like pwn, or pwnage but better, widely used in the gaming world. Literaly it means: Sandwich Making Nipple Flicking Action but its meaning delves much further than that.
"That was pure Smnfa'ge bob"
"I just Smnfa'ed Bob in the A.. to the max!"
"One time i caught bob doin his sister, and I though.. damn shes smnfa'in hot"
by Bumcustard109 January 11, 2007

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