Top Definition
The act of growing a manly beard, taking a shot of hot sauce without swallowing, and going down on your girl (or your friends girl) while the hot sauce causes a hot steamy but slightly painful sensation with the assistance of the beard smearing the juices around. In this situation, the woman is typically handcuffed to something without knowing the splunk muff crunk is about to occur. Failure to restrain the subject may result in punches and cuts.
Man 1: What's with the eye patch?

Man 2: I gave my neighbors wife the splunk muff crunk, and I didnt tie her hands down tight enough, and she gouged my eye out after I went down on her.
by StoopidShteve September 10, 2013

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