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The act of sufficating your partner with your vagina while receiving oral sex. This is usually done while the female is stradling her partner's face while on top of him/her.
*cough* *cough* *wheez* "Honey, can you arch up a bit more, you'll smufficate me if you keep grinding on my face like that!"

"Man, I was with this complete freak guy last night, and all he kept begging me for was to smufficate him!"
by Dean the Mean Machine November 06, 2008
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