when one penetrates another persons bunghole by use of tongue, also known as tossing the salad. to snarf is to penetrate with tongue; jackal is the anus.
alternatively: one may also use one portion of the term to describe itself. for example, "i'm snarfing this ice-cream." or "man is my jackal itchy."
"hey man did you snarf the jackal?"
"yeah dude, after i went down on her, i totally snarfed the jackal."
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